├── .gitignore ├── Cargo.toml ├── LICENSE-APACHE ├── LICENSE-MIT ├── README.md ├── src ├── binary.rs ├── lib.rs ├── resource.rs └── tuple.rs └── tests ├── start_erl_test.rs └── test_app ├── Makefile ├── crates └── test_nif │ ├── Cargo.toml │ └── src │ └── lib.rs ├── erlang.mk ├── rel ├── sys.config └── vm.args ├── relx.config └── src └── test_nif.erl /.gitignore: -------------------------------------------------------------------------------- 1 | Cargo.lock 2 | target/ 3 | 4 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "ruster" 3 | version = "0.0.2" 4 | authors = ["Daniel Goertzen "] 5 | description = "Create Erlang NIF modules in Rust using a high level Rustic API." 6 | #documentation = "http://goertzenator.github.io/ruster/ruster/index.html" 7 | repository = "https://github.com/goertzenator/ruster" 8 | license = "MIT/Apache-2.0" 9 | keywords = ["FFI", "Erlang", "NIF"] 10 | 11 | [dependencies] 12 | erlang_nif-sys = "0.5" 13 | 14 | [lib] 15 | doctest = false 16 | -------------------------------------------------------------------------------- /LICENSE-APACHE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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IN NO EVENT 21 | SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 22 | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR 24 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 25 | DEALINGS IN THE SOFTWARE. 26 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Ruster 2 | A library for creating Erlang NIFs in Rust. A high-level Rustic API is provided. Built on [`erlang_nif-sys`](https://github.com/goertzenator/erlang_nif-sys). 3 | 4 | ## Status 5 | 6 | HEAVY CONSTRUCTION 7 | 8 | June 2016 update: 9 | 10 | Lots of bits are mostly working and have tests, namely... 11 | 12 | - Environment and Term abstractions. 13 | - Conversions to and from terms for common types. 14 | - Conversions for Tuples, Binaries, Resources, Atoms. 15 | 16 | Docs are really thin, the test application is the best source of examples right now. 17 | 18 | This is all still under heavy construction and I will change things if they don't pan 19 | out in practice. I won't even try to stabalize this until at least Rust macros 2.0 arrives. 20 | -------------------------------------------------------------------------------- /src/binary.rs: -------------------------------------------------------------------------------- 1 | use super::*; 2 | use erlang_nif_sys::*; 3 | 4 | use std::mem::uninitialized; 5 | use std::slice::{from_raw_parts, from_raw_parts_mut}; 6 | 7 | impl<'a> FromTerm for &'a[u8] { 8 | fn from_term(env: &mut Env, term: CTerm) -> Result { 9 | unsafe { 10 | let mut binary = uninitialized(); 11 | match enif_inspect_binary(env, term, &mut binary) { 12 | 0 => Err(Error::Badarg), 13 | _ => Ok(from_raw_parts(binary.data, binary.size)) 14 | } 15 | } 16 | } 17 | } 18 | 19 | /// Creat a new binary Term and a mutable slice referring to its contents. 20 | pub fn new_binary(env: &mut Env, size: usize) -> (Term, &mut [u8]) { 21 | unsafe { 22 | let mut cterm = uninitialized(); 23 | let ptr = enif_make_new_binary(env, size, &mut cterm); 24 | let term = cterm.as_term(env); // maybe wrap in checked term 25 | (term, from_raw_parts_mut(ptr,size)) 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /src/lib.rs: -------------------------------------------------------------------------------- 1 | /*! 2 | 3 | High level Rust bindings to the [Erlang NIF API](http://www.erlang.org/doc/man/erl_nif.html). 4 | 5 | 6 | # Overview 7 | 8 | Ruster provides high level bindings to the [Erlang NIF API](http://www.erlang.org/doc/man/erl_nif.html). 9 | 10 | These bindings depend and build upon the crate [erlang_nif-sys](http://goertzenator.github.io/erlang_nif-sys/erlang_nif-sys/index.html). 11 | 12 | # For the Impatient 13 | 14 | Compile the following in a crate as a dynlib and you will have a functioning NIF module: 15 | 16 | ``` 17 | #[macro_use] 18 | extern crate ruster; 19 | 20 | use ruster::*; 21 | use std::result::Result; 22 | 23 | // Build NIF function table and nif_init functions. 24 | nif_init!(b"ruster_test\0", None, None, None, None, 25 | nif!(b"just_123\0", 0, just_123_wrapper) 26 | ); 27 | 28 | // Wrapper to present our safe ruster NIF as an unsafe "C" NIF. 29 | unsafe_wrapper!(just_123_wrapper, just_123); 30 | 31 | // Our NIF function. Some key features: 32 | // - Environment is protected from use outside this NIF by being a reference. 33 | // - Terms are protected from use outside this NIF by holding a Phantom reference to the Environment. 34 | // - Returns a Result<>. An error result will cause enif_make_badarg() to be passed to the caller. 35 | fn just_123(env: &mut Env, _args: TermSlice) -> Result { 36 | 37 | // Convert 123 to term and return as result. 38 | // Erlang supported types have Encodable and Decodable traits. 39 | Ok(123.to_term(env)) 40 | 41 | } 42 | ``` 43 | 44 | # Term, UncheckedTerm, and CheckedTerm 45 | When a NIF module is compiled in debug mode, the `Term` type is an alias for `CheckedTerm`. `CheckedTerm` does 46 | runtime checking to assure that it is always used with the environment that is was created with. A violation 47 | will create a `panic!` that along with a backtrace makes it easy to find code problems. Environment violations 48 | are otherwise very difficult to track down as they typically manifest as emulator crashes at some random point 49 | in time after the actual violation. 50 | 51 | When compiling in release mode, `Term` is an alias for `UncheckedTerm` which removes the safety net (and 52 | the environment checking overhead). 53 | 54 | 55 | 56 | # Encodable and Decodable traits 57 | 58 | Conversions between NIF terms and Erlang types are done with implementations 59 | of the Encodable and Decodable traits: 60 | 61 | ``` 62 | pub trait Encodable { 63 | fn to_term(&self, env: &mut Env) -> Term; 64 | } 65 | 66 | pub trait Decodable { 67 | fn from_term(env: &mut Env, term:Term) -> Result; 68 | } 69 | ``` 70 | 71 | `to_term` creates a new term in the given environment. 72 | `from_term` converts a term to a Rust type. `from_term` may fail if the underlying type didn't match 73 | the requested target type, hence the return type is `Result`. Some examples and error handling strategies: 74 | 75 | ``` 76 | (write me) 77 | ``` 78 | 79 | # Process Independent Environments and Send 80 | 81 | The Erlang NIF API also allows you to create additional environments that can live beyond the context of a 82 | NIF call. These are represented by the type `OwnedEnv`. 83 | 84 | 85 | # Static Atoms 86 | 87 | 88 | 89 | 90 | 91 | # Resources 92 | 93 | # Threads 94 | 95 | Use of `Env` is not threadsafe, hence it lacks the `Sync` trait. 96 | 97 | !*/ 98 | 99 | 100 | 101 | //#[macro_use] 102 | pub extern crate erlang_nif_sys; 103 | 104 | use erlang_nif_sys::*; 105 | 106 | 107 | 108 | /* 109 | Env and Term constraints 110 | 111 | 1. Terms are associated with an environment and are only valid while the environment is valid. When manipulating 112 | terms (encoding or decoding) the environment must always be provided. 113 | 114 | 2. Exception: Terms that represent an atom are not associated with any environment. (undocumented but frequently used detail) 115 | 116 | 3. Process bound environments provided to a NIF function becomes invalid after the function returns. 117 | 118 | 4. Process independent environments can be created with enif_alloc_env(). Terms can be copied to different 119 | environments with enif_make_copy() 120 | 121 | 5. Terms associated with process independent environment are valid until enif_free_env(), enif_send(), or 122 | enif_clear_env() are called on the environment. 123 | 124 | 6. Envs and terms are not thread-safe and must be protected from concurrent access. 125 | */ 126 | 127 | 128 | 129 | 130 | pub use erlang_nif_sys::ErlNifEnv as Env; 131 | pub use erlang_nif_sys::ErlNifPid as Pid; 132 | 133 | use std::result; 134 | 135 | 136 | /// Convenience name for low level term type. 137 | pub use erlang_nif_sys::ERL_NIF_TERM as CTerm; 138 | 139 | 140 | pub type CTermSlice<'a> = &'a [CTerm]; 141 | 142 | /// Marker trait for types that can have runtime environment checking 143 | pub trait Checkable: Copy {} 144 | 145 | impl Checkable for CTerm {} 146 | impl<'a> Checkable for CTermSlice<'a> {} 147 | 148 | 149 | /// Abstract Erlang term type. 150 | /// 151 | /// This type may represent either an unchecked or checked term, depending on whether the build type 152 | /// is debug or release. Users should use this type for maximum bug discoverability during development, 153 | /// and maximum execution speed during deployment. 154 | #[cfg(debug_assertions)] 155 | pub type Term = Checked; 156 | 157 | 158 | /// Abstract Erlang term slice type. 159 | /// 160 | /// Similar to Term, but represents a slice of Terms. Used for NIF parameter unpacking 161 | /// and tuple manipulation. 162 | #[cfg(debug_assertions)] 163 | pub type TermSlice<'a> = Checked>; 164 | 165 | #[cfg(not(debug_assertions))] 166 | pub type Term = CTerm; 167 | #[cfg(not(debug_assertions))] 168 | pub type TermSlice<'a> = CTermSlice<'a>; 169 | 170 | 171 | // pub type Term = Checked; 172 | // pub type TermSlice = Checked; 173 | 174 | 175 | /// Wrapper type for automatic environment checking 176 | /// 177 | /// This wrapper is not meant for the library user. 178 | /// This wrapper bundles an Env pointer alongside a CTerm or CTermSlice 179 | /// so that usages of this term can be checked against the provided environment. 180 | /// A mismatched environment results in a `panic!`. 181 | #[derive(Copy, Clone, Debug)] 182 | pub struct Checked where 183 | T: Checkable { 184 | termlike: T, 185 | env: *mut Env, 186 | } 187 | 188 | 189 | impl Checked where 190 | T: Checkable { 191 | 192 | /// Bundle environment with Checkable instance. 193 | fn new(env: *mut Env, termlike: T) -> Self { 194 | Checked { 195 | termlike: termlike, 196 | env: env, 197 | } 198 | } 199 | 200 | /// Validate environment and return Checkable instance 201 | fn get(&self, env: *mut Env) -> T { 202 | if env == self.env { 203 | self.termlike 204 | } else { 205 | panic!("Term used with wrong environment.") 206 | } 207 | } 208 | // fn get_unchecked(&self) -> T { 209 | // self.termlike 210 | // } 211 | } 212 | 213 | 214 | 215 | 216 | //////////// 217 | // Conversion Traits 218 | 219 | pub trait DontCheckEnv {} 220 | 221 | /// Convert Rust type to NIF Term 222 | /// 223 | /// New types should implement AsTerm and FromTerm. 224 | pub trait AsTerm { 225 | fn as_term(&self, env: &mut Env) -> T; 226 | fn term_from(env: &mut Env, x: &Self) -> T { 227 | x.as_term(env) 228 | } 229 | } 230 | 231 | /// Convert NIF Term to Rust type 232 | /// 233 | /// New types should implement AsTerm and FromTerm. 234 | pub trait FromTerm: Sized { 235 | fn from_term(env:&mut Env, term: T) -> Result; 236 | } 237 | 238 | 239 | /// Blanket `impl` for `Checkable` types. 240 | impl AsTerm> for X 241 | where X: AsTerm, 242 | T: Checkable { 243 | fn as_term(&self, env: &mut Env) -> Checked { 244 | let termlike = self.as_term(env); 245 | Checked::new(env, termlike) 246 | } 247 | } 248 | 249 | /// Blanket `impl` for `Checkable` types. 250 | impl FromTerm> for X 251 | where X: FromTerm, 252 | T: Checkable { 253 | fn from_term(env:&mut Env, checked: Checked) -> Result { 254 | let termlike = checked.get(env); 255 | FromTerm::from_term(env, termlike) 256 | } 257 | } 258 | 259 | 260 | // Enable this when impl specialization lands 261 | // impl FromTerm for X 262 | // where X: FromTerm + DontCheck { 263 | // fn from_term(env:&mut Env, term: CheckedTerm) -> Result { 264 | // let cterm = term.get_unchecked(); 265 | // FromTerm::from_term(env, cterm) 266 | // } 267 | // } 268 | 269 | 270 | 271 | /// Convenience trait for converting NIF Terms to Rust types. 272 | /// 273 | /// This trait has a blanket impl for type implementing `FromTerm`. 274 | /// For new types, implement `FromTerm`. 275 | pub trait TermAs { 276 | fn term_as(self, env: &mut Env) -> Result; 277 | } 278 | 279 | 280 | impl TermAs for T 281 | where X: FromTerm { 282 | fn term_as(self, env: &mut Env) -> Result { 283 | X::from_term(env, self) 284 | } 285 | } 286 | 287 | 288 | 289 | 290 | /// An owned, process independent environment 291 | /// 292 | /// RAII wrapper for process independent environments. 293 | #[derive(Debug)] 294 | pub struct OwnedEnv { 295 | env: *mut Env, 296 | marker: std::marker::PhantomData, 297 | } 298 | 299 | impl OwnedEnv { 300 | pub fn new() -> OwnedEnv { 301 | OwnedEnv{ 302 | env: unsafe{ enif_alloc_env() }, 303 | marker: std::marker::PhantomData, 304 | } 305 | } 306 | 307 | // pub fn get_env(&mut self) -> &mut Env { 308 | // unsafe{ &mut *self.env } 309 | // } 310 | 311 | } 312 | 313 | impl AsMut for OwnedEnv { 314 | fn as_mut(&mut self) -> &mut Env { 315 | unsafe{ &mut *self.env } 316 | } 317 | } 318 | 319 | // impl Deref for OwnedEnv { 320 | // type Target = Env; 321 | 322 | // fn deref(& self) -> & Env { 323 | // unsafe{ &*self.env } 324 | // } 325 | // } 326 | 327 | // impl DerefMut for OwnedEnv { 328 | // fn deref_mut(&mut self) -> &mut Env { 329 | // unsafe{ &mut *self.env } 330 | // } 331 | // } 332 | 333 | 334 | impl Drop for OwnedEnv { 335 | fn drop(&mut self) { 336 | unsafe{ enif_free_env(self.env) }; 337 | } 338 | } 339 | 340 | /// An environment that has been invalidated by a `send()`. 341 | /// 342 | /// The environment may be `clear()`ed to yield another `OwnedEnv`, 343 | /// or just dropped to destroy the enviroment. 344 | #[derive(Debug)] 345 | pub struct InvalidEnv { 346 | invalid: OwnedEnv, 347 | } 348 | 349 | impl InvalidEnv { 350 | fn new(env: OwnedEnv) -> InvalidEnv { 351 | InvalidEnv{ invalid: env } 352 | } 353 | pub fn clear(self) -> OwnedEnv { 354 | unsafe{ enif_clear_env(self.invalid.env); } 355 | self.invalid 356 | } 357 | } 358 | 359 | 360 | 361 | // pub enum SendResult { 362 | // Ok(InvalidEnv), 363 | // Err(OwnedEnv) 364 | // } 365 | 366 | // impl SendResult { 367 | // pub fn unwrap(self) -> InvalidEnv { 368 | // match self { 369 | // SendResult::Ok(env) => env, 370 | // SendResult::Err(_) => panic!("SendResult unwrap failed") 371 | // } 372 | // } 373 | // } 374 | 375 | 376 | pub unsafe fn send_from_thread(to_pid: &Pid, msg_env: OwnedEnv, msg:CTerm) -> result::Result { 377 | send_main(std::ptr::null_mut(), to_pid, msg_env, msg) 378 | } 379 | 380 | pub unsafe fn send_from_process(env: &mut Env, to_pid: &Pid, msg_env: OwnedEnv, msg:CTerm) -> result::Result { 381 | send_main(env, to_pid, msg_env, msg) 382 | } 383 | 384 | fn send_main(env: *mut Env, to_pid: &Pid, mut msg_env: OwnedEnv, msg:CTerm) -> result::Result { 385 | unsafe{ 386 | match enif_send(env, &*to_pid, msg_env.as_mut(), msg) { 387 | 0 => Err(msg_env), 388 | _ => Ok(InvalidEnv::new(msg_env)) 389 | } 390 | } 391 | } 392 | 393 | 394 | 395 | // Get pid of current process. 396 | // Underlying nif implementation will provide an invalid PID if the 397 | // provided environment is process independent. 398 | pub fn selfpid(env:&mut Env) -> Pid { 399 | unsafe { 400 | let mut pid:Pid = std::mem::uninitialized(); 401 | enif_self(env, &mut pid); 402 | pid 403 | } 404 | } 405 | 406 | 407 | // /// Send message and free sending environment. 408 | // pub fn send_from_process(env:&Env, pid:&Pid, msg_env:EnvPtr, msg:Term) { 409 | // send_from_process_main(&env, &pid, msg_env, msg); 410 | // } 411 | 412 | 413 | // /// Send message and recycle environment (enif_clear_env()) 414 | // pub fn send_from_process_recycle(env:&Env, pid:&Pid, msg_env:EnvPtr, msg:Term) -> EnvPtr { 415 | // let msg_env2 = send_from_process_main(&pid, msg_env, msg); 416 | // unsafe {enif_clear_env(msg_env2);} 417 | // msg_env 418 | // } 419 | 420 | // fn send_from_process_main(env:&Env, pid:&Pid, msg_env:EnvPtr, msg:Term) -> EnvPtr { 421 | // enif_send(env, &pid, &msg_env, msg); 422 | // msg_env 423 | // } 424 | 425 | 426 | 427 | 428 | 429 | 430 | #[derive(Debug, Copy, Clone)] 431 | pub enum Error { 432 | Badarg, 433 | } 434 | 435 | // impl error::Error for NifError { 436 | // fn description(&self) -> &str { 437 | // match *self { 438 | // NifError::Badarg => "bad argument", 439 | // } 440 | // } 441 | // } 442 | 443 | 444 | // stuct Badarg; 445 | 446 | // impl error::Error for Badarg { 447 | // fn description(&self) -> &str { 448 | // "bad argument" 449 | // } 450 | // } 451 | 452 | 453 | pub type Result = result::Result; 454 | 455 | 456 | 457 | 458 | //////////// 459 | // Atom 460 | 461 | #[derive(Copy, Clone, Debug)] 462 | #[repr(C)] 463 | pub struct Atom(CTerm); 464 | 465 | impl Atom { 466 | pub fn new(env: &mut Env, name: &str) -> Atom { 467 | unsafe { 468 | Atom(enif_make_atom_len(env, name.as_ptr(), name.len())) 469 | } 470 | } 471 | 472 | // pub unsafe fn unchecked_from_term(term: Term) -> Atom { 473 | // Atom { 474 | // term: term.get_unchecked(), 475 | // } 476 | // } 477 | } 478 | 479 | // Atoms are not environment bound, so don't actually check environment for Atoms. 480 | impl DontCheckEnv for Atom {} 481 | 482 | impl AsTerm for Atom { 483 | fn as_term(&self, _env: &mut Env) -> CTerm { 484 | self.0 485 | } 486 | } 487 | 488 | impl FromTerm for Atom { 489 | fn from_term(env: &mut Env, term: CTerm) -> Result { 490 | match unsafe{ enif_is_atom(env, term) } { 491 | 0 => Err(Error::Badarg), 492 | _ => Ok(Atom(term)), 493 | } 494 | } 495 | } 496 | 497 | // // Atoms are not environment bound, so don't actually check environment for Atoms. 498 | // impl FromTerm for Atom { 499 | // fn from_term(env:&mut Env, term: CheckedTerm) -> Result { 500 | // let cterm = term.get_unchecked(); 501 | // FromTerm::from_term(env, cterm) 502 | // } 503 | // } 504 | 505 | 506 | //////////// 507 | // Basic types 508 | 509 | pub trait SimpleConvertible: Copy { 510 | unsafe fn make(env: *mut Env, val: Self) -> CTerm; 511 | unsafe fn get(env: *mut Env, term: CTerm, val: *mut Self) -> c_int; 512 | } 513 | 514 | 515 | impl AsTerm for X 516 | where X: SimpleConvertible { 517 | fn as_term(&self, env: &mut Env) -> CTerm { 518 | unsafe{ SimpleConvertible::make(env, *self) } 519 | } 520 | } 521 | 522 | impl FromTerm for X 523 | where X: SimpleConvertible { 524 | fn from_term(env: &mut Env, term: CTerm) -> Result { 525 | let mut result: Self = unsafe {std::mem::uninitialized()}; 526 | match unsafe {SimpleConvertible::get(env, term, &mut result)} { 527 | 0 => Err(Error::Badarg), 528 | _ => Ok(result), 529 | } 530 | } 531 | } 532 | 533 | impl SimpleConvertible for c_int { 534 | unsafe fn make(env: *mut Env, val: Self) -> CTerm { 535 | enif_make_int(env, val) 536 | } 537 | unsafe fn get(env: *mut Env, term: CTerm, ptr: *mut Self) -> c_int { 538 | enif_get_int(env, term, ptr) 539 | } 540 | } 541 | 542 | 543 | impl SimpleConvertible for c_uint { 544 | unsafe fn make(env: *mut Env, val: Self) -> CTerm { 545 | enif_make_uint(env, val) 546 | } 547 | unsafe fn get(env: *mut Env, term: CTerm, ptr: *mut Self) -> c_int { 548 | enif_get_uint(env, term, ptr) 549 | } 550 | } 551 | 552 | impl SimpleConvertible for c_double { 553 | unsafe fn make(env: *mut Env, val: Self) -> CTerm { 554 | enif_make_double(env, val) 555 | } 556 | unsafe fn get(env: *mut Env, term: CTerm, ptr: *mut Self) -> c_int { 557 | enif_get_double(env, term, ptr) 558 | } 559 | } 560 | 561 | impl SimpleConvertible for i64 { 562 | unsafe fn make(env: *mut Env, val: Self) -> CTerm { 563 | enif_make_int64(env, val) 564 | } 565 | unsafe fn get(env: *mut Env, term: CTerm, ptr: *mut Self) -> c_int { 566 | enif_get_int64(env, term, ptr) 567 | } 568 | } 569 | 570 | impl SimpleConvertible for u64 { 571 | unsafe fn make(env: *mut Env, val: Self) -> CTerm { 572 | enif_make_uint64(env, val) 573 | } 574 | unsafe fn get(env: *mut Env, term: CTerm, ptr: *mut Self) -> c_int { 575 | enif_get_uint64(env, term, ptr) 576 | } 577 | } 578 | 579 | 580 | 581 | 582 | //////////// 583 | // CTerm 584 | 585 | impl AsTerm for CTerm { 586 | fn as_term(&self, _env: &mut Env) -> CTerm { 587 | *self 588 | } 589 | } 590 | impl FromTerm for CTerm { 591 | fn from_term(_env: &mut Env, term: CTerm) -> Result { 592 | Ok(term) 593 | } 594 | } 595 | 596 | 597 | //////////// 598 | // Erlang tuple as slice 599 | 600 | impl<'a> AsTerm for &'a [CTerm] { 601 | fn as_term(&self, env: &mut Env) -> CTerm { 602 | unsafe { 603 | enif_make_tuple_from_array( 604 | env, 605 | self.as_ptr(), 606 | self.len() as c_uint) 607 | } 608 | } 609 | } 610 | 611 | impl<'a> FromTerm for &'a [CTerm] { 612 | fn from_term(env:&mut Env, term: CTerm) -> Result { 613 | unsafe { 614 | let mut arity:c_int = std::mem::uninitialized(); 615 | let mut array:*const CTerm = std::mem::uninitialized(); 616 | match enif_get_tuple(env, term, &mut arity, &mut array) { 617 | 0 => Err(Error::Badarg), 618 | _ => Ok(std::slice::from_raw_parts(array, arity as usize)), 619 | } 620 | } 621 | } 622 | } 623 | 624 | 625 | //////////// 626 | // Erlang tuple as tuple 627 | 628 | 629 | mod tuple; 630 | pub use tuple::*; 631 | 632 | 633 | //////////// 634 | // Resources 635 | 636 | mod resource; 637 | pub use resource::*; 638 | 639 | 640 | //////////// 641 | // Binaries 642 | 643 | mod binary; 644 | pub use binary::*; 645 | 646 | 647 | 648 | // List Iterator 649 | 650 | // struct<'a> ListDecoder { 651 | // env: &'a Env, 652 | // tail: ERL_NIF_TERM, 653 | // } 654 | 655 | // impl ListDecoder { 656 | // fn new<'a>(env:&'a mut Env, term: Term<'a>) -> Result> { 657 | // unsafe { 658 | // match enif_is_list(transmute(env), transmute(term)) { 659 | // 0 => Err(Error::Badarg), 660 | // _ => Ok(ListDecoder{env: env, tail: transmute(term)}) 661 | // } 662 | // } 663 | // } 664 | // } 665 | 666 | // impl Iterator<'a> for ListDecoder<'a> { 667 | // type Item = Term<'a>; 668 | // fn next(&mut self) -> Option { 669 | // unsafe { 670 | // let mut head = uninitialized(); 671 | // let mut newtail = uninitialized(); 672 | // match enif_get_list_cell(self.env, self.tail, &mut head, &mut newtail) { 673 | // 0 => None, 674 | // _ => { 675 | // self.tail = newtail; 676 | // Some(transmute(head)) 677 | // }, 678 | // } 679 | // } 680 | // } 681 | // } 682 | 683 | 684 | 685 | 686 | 687 | 688 | pub type RusterFnType = fn(env:&mut Env, args:TermSlice) -> Result; 689 | 690 | 691 | 692 | // Checked version 693 | #[cfg(debug_assertions)] 694 | #[inline] 695 | pub fn ruster_fn_wrapper(env: *mut Env, 696 | argc: c_int, 697 | args: *const CTerm, 698 | ruster_fn: RusterFnType, 699 | ) -> CTerm { 700 | unsafe { 701 | let cterms = std::slice::from_raw_parts(args, argc as usize); 702 | //let terms:Vec = cterms.iter().map(|term| CheckedTerm::new(env,*term)).collect(); 703 | let terms = Checked::new(env, cterms); 704 | match ruster_fn(&mut *env, terms) { 705 | Ok(rterm) => rterm.get(env), 706 | _ => enif_make_badarg(env), 707 | } 708 | } 709 | } 710 | 711 | // Unchecked version 712 | #[cfg(not(debug_assertions))] 713 | pub fn ruster_fn_wrapper(env: *mut Env, 714 | argc: c_int, 715 | args: *const CTerm, 716 | ruster_fn: RusterFnType, 717 | ) -> CTerm { 718 | unsafe { 719 | let terms = std::slice::from_raw_parts(args as *const Term, argc as usize); 720 | match ruster_fn(&mut *env, terms) { 721 | Ok(rterm) => rterm, 722 | _ => enif_make_badarg(env), 723 | } 724 | } 725 | } 726 | 727 | 728 | 729 | 730 | #[macro_export] 731 | macro_rules! nif_wrapper { 732 | ($wrapper:ident, $wrappee:ident) => ( 733 | extern "C" fn $wrapper(env: *mut $crate::Env, 734 | argc: $crate::erlang_nif_sys::c_int, 735 | args: *const $crate::CTerm) -> $crate::CTerm 736 | { 737 | $crate::ruster_fn_wrapper(env, argc, args, $wrappee) 738 | } 739 | ) 740 | } 741 | 742 | 743 | 744 | 745 | // #[macro_export] 746 | // macro_rules! nif_wrapper { 747 | // ($wrapper:ident, $wrappee:ident) => ( 748 | // extern "C" fn $wrapper(env: *mut erlang_nif_sys::ErlNifEnv, 749 | // argc: erlang_nif_sys::c_int, 750 | // args: *const erlang_nif_sys::ERL_NIF_TERM) -> erlang_nif_sys::ERL_NIF_TERM { 751 | // unsafe { 752 | // let cterms = std::slice::from_raw_parts(args as *const Term, argc as usize); 753 | // let terms:Vec = cterms.map(|term| new(env,term)).collect(); 754 | // match $wrappee(env, terms) { 755 | // Ok(rterm) => rterm.get(), 756 | // _ => erlang_nif_sys::enif_make_badarg(env), 757 | // } 758 | // } 759 | // } 760 | // ) 761 | // } 762 | 763 | 764 | 765 | // unchecked 766 | // #[macro_export] 767 | // macro_rules! nif_wrapper { 768 | // ($wrapper:ident, $wrappee:ident) => ( 769 | // extern "C" fn $wrapper(env: *mut erlang_nif_sys::ErlNifEnv, 770 | // argc: erlang_nif_sys::c_int, 771 | // args: *const erlang_nif_sys::ERL_NIF_TERM) -> erlang_nif_sys::ERL_NIF_TERM { 772 | // unsafe { 773 | // match $wrappee(std::mem::transmute(env), std::slice::from_raw_parts(args as *const Term, argc as usize)) { 774 | // Ok(x) => std::mem::transmute(x), 775 | // _ => erlang_nif_sys::enif_make_badarg(env), 776 | // } 777 | // } 778 | // } 779 | // ) 780 | // } 781 | 782 | 783 | -------------------------------------------------------------------------------- /src/resource.rs: -------------------------------------------------------------------------------- 1 | 2 | use super::*; 3 | use erlang_nif_sys::*; 4 | 5 | use std::{ptr, mem}; 6 | use std::ops::{Deref, DerefMut, Drop}; 7 | use std::ffi::{CStr, CString}; 8 | use std::marker::PhantomData; 9 | use std::fmt::{Debug, Display, self}; 10 | use std::sync::{Once, RwLock, ONCE_INIT}; 11 | use std::collections::{HashMap}; 12 | use std::any::{Any, TypeId}; 13 | 14 | 15 | 16 | type ResourceLut = HashMap; 17 | static mut resource_lut: Option<&'static RwLock> = None; 18 | static RESOURCE_LUT_INIT: Once = ONCE_INIT; 19 | 20 | /// Declare a type that can be used as an Erlang Resource 21 | /// 22 | /// This function is marked unsafe because it must be used only from `load()`. 23 | 24 | pub unsafe fn open_resource_type(env: &mut Env, name: &str) -> Result<()> { 25 | let c_name = CString::new(name).unwrap(); 26 | let ptr = unsafe { enif_open_resource_type(env, ptr::null(), c_name.as_ptr() as *const u8, 27 | Some(resource_destructor::), ErlNifResourceFlags::ERL_NIF_RT_CREATE, ptr::null_mut()) }; 28 | if ptr.is_null() { 29 | return Err(Error::Badarg); 30 | } 31 | get_resource_lut().write().unwrap().deref_mut().insert(TypeId::of::(), ptr); 32 | 33 | Ok(()) 34 | } 35 | 36 | fn get_resource_type() -> Option<*const ErlNifResourceType> { 37 | let lut = get_resource_lut().read().unwrap(); 38 | lut.get(&TypeId::of::()).map(|x|*x) 39 | } 40 | 41 | 42 | extern "C" fn resource_destructor(_env: *mut ErlNifEnv, object: *mut c_void) { 43 | unsafe { 44 | ptr::drop_in_place::(object as *mut T) 45 | } 46 | } 47 | 48 | fn get_resource_lut() -> &'static RwLock { 49 | unsafe { 50 | RESOURCE_LUT_INIT.call_once(|| { 51 | let resbox = Box::new(RwLock::new(ResourceLut::new())); 52 | resource_lut = Box::into_raw(resbox).as_ref() 53 | }); 54 | resource_lut.unwrap() 55 | } 56 | } 57 | 58 | 59 | /// A ref counting pointer to an Erlang resource 60 | /// 61 | /// A pointer 62 | pub struct ResourcePtr 63 | where T: Any { 64 | ptr: *const T, 65 | _marker: PhantomData, 66 | } 67 | 68 | impl ResourcePtr 69 | where T: Any { 70 | 71 | /// Create a new resource. 72 | /// 73 | /// The type of resource created must have been previously registered with `open_resource_type` 74 | /// otherwise this call will panic. `ResourcePtr`s may live beyond the scope of any environment 75 | pub fn new(instance: T) -> ResourcePtr { 76 | unsafe { 77 | let resource_type = get_resource_type::().unwrap(); 78 | let ptr = enif_alloc_resource(resource_type, mem::size_of::()) as *mut T; 79 | 80 | ptr::write(ptr, instance); // Move instance into allocated memory. 81 | // Does the move get optimized away? If not, consider placement new when it becomes stable. 82 | 83 | ResourcePtr{ptr: ptr, _marker: PhantomData} 84 | } 85 | } 86 | } 87 | 88 | impl Deref for ResourcePtr 89 | where T: Any { 90 | type Target = T; 91 | 92 | fn deref(&self) -> &T { 93 | unsafe { &*self.ptr } 94 | } 95 | } 96 | 97 | impl Drop for ResourcePtr 98 | where T: Any { 99 | fn drop(&mut self) { 100 | unsafe { 101 | enif_release_resource(self.ptr as *const c_void) 102 | } 103 | } 104 | } 105 | 106 | impl Clone for ResourcePtr 107 | where T: Any { 108 | fn clone(&self) -> Self { 109 | unsafe { 110 | enif_keep_resource(self.ptr as *const c_void); 111 | } 112 | ResourcePtr{ptr: self.ptr, _marker: PhantomData} 113 | } 114 | } 115 | 116 | impl Debug for ResourcePtr where T: Debug + Any { 117 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 118 | Debug::fmt(&**self, f) 119 | } 120 | } 121 | 122 | impl Display for ResourcePtr where T: Display + Any { 123 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 124 | Display::fmt(&**self, f) 125 | } 126 | } 127 | 128 | 129 | 130 | 131 | impl AsTerm for ResourcePtr 132 | where T: Any { 133 | fn as_term(&self, env: &mut Env) -> CTerm { 134 | unsafe { 135 | enif_make_resource(env, self.ptr as *const c_void) 136 | } 137 | } 138 | } 139 | 140 | impl FromTerm for ResourcePtr 141 | where T: Any { 142 | fn from_term(env: &mut Env, term: CTerm) -> Result { 143 | unsafe { 144 | let mut ptr = mem::uninitialized(); 145 | let resource_type = try!( 146 | get_resource_type::() 147 | .ok_or(Error::Badarg) 148 | ); 149 | 150 | match enif_get_resource(env, term, resource_type, &mut ptr) { 151 | 0 => Err(Error::Badarg), 152 | _ => { 153 | enif_keep_resource(ptr); 154 | Ok(ResourcePtr{ptr: ptr as *const T, _marker: PhantomData}) 155 | } 156 | } 157 | } 158 | } 159 | } 160 | 161 | 162 | /// Wrapper type for decoding resources as references 163 | /// 164 | /// Bare references conflict with other `FromTerm` `impl`s, 165 | /// therefore a wrapper type is required. `ResourceRefs` 166 | /// do not affect the refcount. They are therefore 167 | /// cheaper than constructing a full `ResourcePtr` but 168 | /// may not be used outside of the constructing 169 | /// environment. 170 | struct ResourceRef<'a, T: 'a>(&'a T); 171 | 172 | // conflicts with every other FromTerm impl? 173 | // would borrow env until ref descopes. problematic 174 | // What is the real connection with with env? 175 | impl<'a, T> FromTerm for ResourceRef<'a, T> 176 | where T: Any { 177 | fn from_term(env: &mut Env, term: CTerm) -> Result { 178 | unsafe { 179 | let mut ptr = mem::uninitialized(); 180 | let resource_type = try!( 181 | get_resource_type::() 182 | .ok_or(Error::Badarg) 183 | ); 184 | 185 | match enif_get_resource(env, term, resource_type, &mut ptr) { 186 | 0 => Err(Error::Badarg), 187 | _ => Ok(ResourceRef(&*(ptr as *const T))), 188 | } 189 | } 190 | } 191 | } 192 | 193 | -------------------------------------------------------------------------------- /src/tuple.rs: -------------------------------------------------------------------------------- 1 | // Arbitrary Tuples 2 | 3 | use super::*; 4 | 5 | 6 | // 7 | // The tuple impls here were generated by the Python script below. I know 8 | // this is possible with Rust macros today, but this script is far simpler. I will 9 | // revisit this when Rust lands some more advanced macro and generics 10 | // features. 11 | // 12 | 13 | // 14 | // The python tuple impl generator 15 | // 16 | // template = """ 17 | // impl<{encode_seq}> AsTerm for ({param_seq},) {{ 18 | // fn as_term(&self, env: &mut Env) -> CTerm {{ 19 | // let terms = [{arr_seq}]; 20 | // terms.as_ref().as_term(env) 21 | // }} 22 | // }} 23 | // impl<{decode_seq}> FromTerm for ({param_seq},) {{ 24 | // fn from_term(env: &mut Env, term: CTerm) -> Result {{ 25 | // let terms:&[CTerm] = try!(term.term_as(env)); 26 | // FromTerm::from_term(env, terms) 27 | // }} 28 | // }} 29 | // impl<'a, {decode_seq}> FromTerm<&'a [CTerm]> for ({param_seq},) {{ 30 | // fn from_term(env: &mut Env, terms: &[CTerm]) -> Result {{ 31 | // if terms.len() != {param_num} {{ return Err(Error::Badarg) }}; 32 | // Ok(( 33 | // {tuple_seq}, 34 | // )) 35 | // }} 36 | // }} 37 | // """ 38 | 39 | // def impl(n): 40 | // encode_seq = ", ".join(["T{}: AsTerm".format(i) for i in range(n)]) 41 | // decode_seq = ", ".join(["T{}: FromTerm".format(i) for i in range(n)]) 42 | // param_seq = ", ".join(["T{}".format(i) for i in range(n)]) 43 | // arr_seq = ", ".join(["self.{}.as_term(env)".format(i) for i in range(n)]) 44 | // tuple_seq = ", ".join(["try!(terms[{}].term_as(env))".format(i) for i in range(n)]) 45 | // param_num = n 46 | 47 | // return template.format(**locals()) 48 | 49 | // def main(): 50 | // for n in range(1,33): 51 | // print(impl(n)) 52 | // main() 53 | 54 | 55 | 56 | 57 | 58 | // Reference output 59 | // impl, T1: AsTerm> AsTerm for (T0, T1,) { 60 | // fn as_term(&self, env: &mut Env) -> CTerm { 61 | // let terms = [self.0.as_term(env), self.1.as_term(env)]; 62 | // terms.as_ref().as_term(env) 63 | // } 64 | // } 65 | // impl, T1: FromTerm> FromTerm for (T0, T1,) { 66 | // fn from_term(env: &mut Env, term: CTerm) -> Result { 67 | // let terms:&[CTerm] = try!(term.term_as(env)); 68 | // FromTerm::from_term(env, terms) 69 | // } 70 | // } 71 | // impl<'a, T0: FromTerm, T1: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1,) { 72 | // fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 73 | // if terms.len() != 2 { return Err(Error::Badarg) }; 74 | // Ok(( 75 | // try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), 76 | // )) 77 | // } 78 | // } 79 | 80 | 81 | 82 | // Generated output 83 | 84 | impl> AsTerm for (T0,) { 85 | fn as_term(&self, env: &mut Env) -> CTerm { 86 | let terms = [self.0.as_term(env)]; 87 | terms.as_ref().as_term(env) 88 | } 89 | } 90 | impl> FromTerm for (T0,) { 91 | fn from_term(env: &mut Env, term: CTerm) -> Result { 92 | let terms:&[CTerm] = try!(term.term_as(env)); 93 | FromTerm::from_term(env, terms) 94 | } 95 | } 96 | impl<'a, T0: FromTerm> FromTerm<&'a [CTerm]> for (T0,) { 97 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 98 | if terms.len() != 1 { return Err(Error::Badarg) }; 99 | Ok(( 100 | try!(terms[0].term_as(env)), 101 | )) 102 | } 103 | } 104 | 105 | 106 | impl, T1: AsTerm> AsTerm for (T0, T1,) { 107 | fn as_term(&self, env: &mut Env) -> CTerm { 108 | let terms = [self.0.as_term(env), self.1.as_term(env)]; 109 | terms.as_ref().as_term(env) 110 | } 111 | } 112 | impl, T1: FromTerm> FromTerm for (T0, T1,) { 113 | fn from_term(env: &mut Env, term: CTerm) -> Result { 114 | let terms:&[CTerm] = try!(term.term_as(env)); 115 | FromTerm::from_term(env, terms) 116 | } 117 | } 118 | impl<'a, T0: FromTerm, T1: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1,) { 119 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 120 | if terms.len() != 2 { return Err(Error::Badarg) }; 121 | Ok(( 122 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), 123 | )) 124 | } 125 | } 126 | 127 | 128 | impl, T1: AsTerm, T2: AsTerm> AsTerm for (T0, T1, T2,) { 129 | fn as_term(&self, env: &mut Env) -> CTerm { 130 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env)]; 131 | terms.as_ref().as_term(env) 132 | } 133 | } 134 | impl, T1: FromTerm, T2: FromTerm> FromTerm for (T0, T1, T2,) { 135 | fn from_term(env: &mut Env, term: CTerm) -> Result { 136 | let terms:&[CTerm] = try!(term.term_as(env)); 137 | FromTerm::from_term(env, terms) 138 | } 139 | } 140 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2,) { 141 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 142 | if terms.len() != 3 { return Err(Error::Badarg) }; 143 | Ok(( 144 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), 145 | )) 146 | } 147 | } 148 | 149 | 150 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm> AsTerm for (T0, T1, T2, T3,) { 151 | fn as_term(&self, env: &mut Env) -> CTerm { 152 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env)]; 153 | terms.as_ref().as_term(env) 154 | } 155 | } 156 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm> FromTerm for (T0, T1, T2, T3,) { 157 | fn from_term(env: &mut Env, term: CTerm) -> Result { 158 | let terms:&[CTerm] = try!(term.term_as(env)); 159 | FromTerm::from_term(env, terms) 160 | } 161 | } 162 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3,) { 163 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 164 | if terms.len() != 4 { return Err(Error::Badarg) }; 165 | Ok(( 166 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), 167 | )) 168 | } 169 | } 170 | 171 | 172 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm> AsTerm for (T0, T1, T2, T3, T4,) { 173 | fn as_term(&self, env: &mut Env) -> CTerm { 174 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env)]; 175 | terms.as_ref().as_term(env) 176 | } 177 | } 178 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm> FromTerm for (T0, T1, T2, T3, T4,) { 179 | fn from_term(env: &mut Env, term: CTerm) -> Result { 180 | let terms:&[CTerm] = try!(term.term_as(env)); 181 | FromTerm::from_term(env, terms) 182 | } 183 | } 184 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4,) { 185 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 186 | if terms.len() != 5 { return Err(Error::Badarg) }; 187 | Ok(( 188 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), 189 | )) 190 | } 191 | } 192 | 193 | 194 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5,) { 195 | fn as_term(&self, env: &mut Env) -> CTerm { 196 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env)]; 197 | terms.as_ref().as_term(env) 198 | } 199 | } 200 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5,) { 201 | fn from_term(env: &mut Env, term: CTerm) -> Result { 202 | let terms:&[CTerm] = try!(term.term_as(env)); 203 | FromTerm::from_term(env, terms) 204 | } 205 | } 206 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5,) { 207 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 208 | if terms.len() != 6 { return Err(Error::Badarg) }; 209 | Ok(( 210 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), 211 | )) 212 | } 213 | } 214 | 215 | 216 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6,) { 217 | fn as_term(&self, env: &mut Env) -> CTerm { 218 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env)]; 219 | terms.as_ref().as_term(env) 220 | } 221 | } 222 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6,) { 223 | fn from_term(env: &mut Env, term: CTerm) -> Result { 224 | let terms:&[CTerm] = try!(term.term_as(env)); 225 | FromTerm::from_term(env, terms) 226 | } 227 | } 228 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6,) { 229 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 230 | if terms.len() != 7 { return Err(Error::Badarg) }; 231 | Ok(( 232 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), 233 | )) 234 | } 235 | } 236 | 237 | 238 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7,) { 239 | fn as_term(&self, env: &mut Env) -> CTerm { 240 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env)]; 241 | terms.as_ref().as_term(env) 242 | } 243 | } 244 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7,) { 245 | fn from_term(env: &mut Env, term: CTerm) -> Result { 246 | let terms:&[CTerm] = try!(term.term_as(env)); 247 | FromTerm::from_term(env, terms) 248 | } 249 | } 250 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7,) { 251 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 252 | if terms.len() != 8 { return Err(Error::Badarg) }; 253 | Ok(( 254 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), 255 | )) 256 | } 257 | } 258 | 259 | 260 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8,) { 261 | fn as_term(&self, env: &mut Env) -> CTerm { 262 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env)]; 263 | terms.as_ref().as_term(env) 264 | } 265 | } 266 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8,) { 267 | fn from_term(env: &mut Env, term: CTerm) -> Result { 268 | let terms:&[CTerm] = try!(term.term_as(env)); 269 | FromTerm::from_term(env, terms) 270 | } 271 | } 272 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8,) { 273 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 274 | if terms.len() != 9 { return Err(Error::Badarg) }; 275 | Ok(( 276 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), 277 | )) 278 | } 279 | } 280 | 281 | 282 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,) { 283 | fn as_term(&self, env: &mut Env) -> CTerm { 284 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env)]; 285 | terms.as_ref().as_term(env) 286 | } 287 | } 288 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,) { 289 | fn from_term(env: &mut Env, term: CTerm) -> Result { 290 | let terms:&[CTerm] = try!(term.term_as(env)); 291 | FromTerm::from_term(env, terms) 292 | } 293 | } 294 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,) { 295 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 296 | if terms.len() != 10 { return Err(Error::Badarg) }; 297 | Ok(( 298 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), 299 | )) 300 | } 301 | } 302 | 303 | 304 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10,) { 305 | fn as_term(&self, env: &mut Env) -> CTerm { 306 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env)]; 307 | terms.as_ref().as_term(env) 308 | } 309 | } 310 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10,) { 311 | fn from_term(env: &mut Env, term: CTerm) -> Result { 312 | let terms:&[CTerm] = try!(term.term_as(env)); 313 | FromTerm::from_term(env, terms) 314 | } 315 | } 316 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10,) { 317 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 318 | if terms.len() != 11 { return Err(Error::Badarg) }; 319 | Ok(( 320 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), 321 | )) 322 | } 323 | } 324 | 325 | 326 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,) { 327 | fn as_term(&self, env: &mut Env) -> CTerm { 328 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env)]; 329 | terms.as_ref().as_term(env) 330 | } 331 | } 332 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,) { 333 | fn from_term(env: &mut Env, term: CTerm) -> Result { 334 | let terms:&[CTerm] = try!(term.term_as(env)); 335 | FromTerm::from_term(env, terms) 336 | } 337 | } 338 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,) { 339 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 340 | if terms.len() != 12 { return Err(Error::Badarg) }; 341 | Ok(( 342 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), 343 | )) 344 | } 345 | } 346 | 347 | 348 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12,) { 349 | fn as_term(&self, env: &mut Env) -> CTerm { 350 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env)]; 351 | terms.as_ref().as_term(env) 352 | } 353 | } 354 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12,) { 355 | fn from_term(env: &mut Env, term: CTerm) -> Result { 356 | let terms:&[CTerm] = try!(term.term_as(env)); 357 | FromTerm::from_term(env, terms) 358 | } 359 | } 360 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12,) { 361 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 362 | if terms.len() != 13 { return Err(Error::Badarg) }; 363 | Ok(( 364 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), 365 | )) 366 | } 367 | } 368 | 369 | 370 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13,) { 371 | fn as_term(&self, env: &mut Env) -> CTerm { 372 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env)]; 373 | terms.as_ref().as_term(env) 374 | } 375 | } 376 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13,) { 377 | fn from_term(env: &mut Env, term: CTerm) -> Result { 378 | let terms:&[CTerm] = try!(term.term_as(env)); 379 | FromTerm::from_term(env, terms) 380 | } 381 | } 382 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13,) { 383 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 384 | if terms.len() != 14 { return Err(Error::Badarg) }; 385 | Ok(( 386 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), 387 | )) 388 | } 389 | } 390 | 391 | 392 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14,) { 393 | fn as_term(&self, env: &mut Env) -> CTerm { 394 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env)]; 395 | terms.as_ref().as_term(env) 396 | } 397 | } 398 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14,) { 399 | fn from_term(env: &mut Env, term: CTerm) -> Result { 400 | let terms:&[CTerm] = try!(term.term_as(env)); 401 | FromTerm::from_term(env, terms) 402 | } 403 | } 404 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14,) { 405 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 406 | if terms.len() != 15 { return Err(Error::Badarg) }; 407 | Ok(( 408 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), 409 | )) 410 | } 411 | } 412 | 413 | 414 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,) { 415 | fn as_term(&self, env: &mut Env) -> CTerm { 416 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env)]; 417 | terms.as_ref().as_term(env) 418 | } 419 | } 420 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,) { 421 | fn from_term(env: &mut Env, term: CTerm) -> Result { 422 | let terms:&[CTerm] = try!(term.term_as(env)); 423 | FromTerm::from_term(env, terms) 424 | } 425 | } 426 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15,) { 427 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 428 | if terms.len() != 16 { return Err(Error::Badarg) }; 429 | Ok(( 430 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), 431 | )) 432 | } 433 | } 434 | 435 | 436 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16,) { 437 | fn as_term(&self, env: &mut Env) -> CTerm { 438 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env)]; 439 | terms.as_ref().as_term(env) 440 | } 441 | } 442 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16,) { 443 | fn from_term(env: &mut Env, term: CTerm) -> Result { 444 | let terms:&[CTerm] = try!(term.term_as(env)); 445 | FromTerm::from_term(env, terms) 446 | } 447 | } 448 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16,) { 449 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 450 | if terms.len() != 17 { return Err(Error::Badarg) }; 451 | Ok(( 452 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), 453 | )) 454 | } 455 | } 456 | 457 | 458 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17,) { 459 | fn as_term(&self, env: &mut Env) -> CTerm { 460 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env)]; 461 | terms.as_ref().as_term(env) 462 | } 463 | } 464 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17,) { 465 | fn from_term(env: &mut Env, term: CTerm) -> Result { 466 | let terms:&[CTerm] = try!(term.term_as(env)); 467 | FromTerm::from_term(env, terms) 468 | } 469 | } 470 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17,) { 471 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 472 | if terms.len() != 18 { return Err(Error::Badarg) }; 473 | Ok(( 474 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), 475 | )) 476 | } 477 | } 478 | 479 | 480 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18,) { 481 | fn as_term(&self, env: &mut Env) -> CTerm { 482 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env)]; 483 | terms.as_ref().as_term(env) 484 | } 485 | } 486 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18,) { 487 | fn from_term(env: &mut Env, term: CTerm) -> Result { 488 | let terms:&[CTerm] = try!(term.term_as(env)); 489 | FromTerm::from_term(env, terms) 490 | } 491 | } 492 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18,) { 493 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 494 | if terms.len() != 19 { return Err(Error::Badarg) }; 495 | Ok(( 496 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), 497 | )) 498 | } 499 | } 500 | 501 | 502 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19,) { 503 | fn as_term(&self, env: &mut Env) -> CTerm { 504 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env)]; 505 | terms.as_ref().as_term(env) 506 | } 507 | } 508 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19,) { 509 | fn from_term(env: &mut Env, term: CTerm) -> Result { 510 | let terms:&[CTerm] = try!(term.term_as(env)); 511 | FromTerm::from_term(env, terms) 512 | } 513 | } 514 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19,) { 515 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 516 | if terms.len() != 20 { return Err(Error::Badarg) }; 517 | Ok(( 518 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), 519 | )) 520 | } 521 | } 522 | 523 | 524 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20,) { 525 | fn as_term(&self, env: &mut Env) -> CTerm { 526 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env)]; 527 | terms.as_ref().as_term(env) 528 | } 529 | } 530 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20,) { 531 | fn from_term(env: &mut Env, term: CTerm) -> Result { 532 | let terms:&[CTerm] = try!(term.term_as(env)); 533 | FromTerm::from_term(env, terms) 534 | } 535 | } 536 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20,) { 537 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 538 | if terms.len() != 21 { return Err(Error::Badarg) }; 539 | Ok(( 540 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), 541 | )) 542 | } 543 | } 544 | 545 | 546 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21,) { 547 | fn as_term(&self, env: &mut Env) -> CTerm { 548 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env)]; 549 | terms.as_ref().as_term(env) 550 | } 551 | } 552 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21,) { 553 | fn from_term(env: &mut Env, term: CTerm) -> Result { 554 | let terms:&[CTerm] = try!(term.term_as(env)); 555 | FromTerm::from_term(env, terms) 556 | } 557 | } 558 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21,) { 559 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 560 | if terms.len() != 22 { return Err(Error::Badarg) }; 561 | Ok(( 562 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), 563 | )) 564 | } 565 | } 566 | 567 | 568 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22,) { 569 | fn as_term(&self, env: &mut Env) -> CTerm { 570 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env)]; 571 | terms.as_ref().as_term(env) 572 | } 573 | } 574 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22,) { 575 | fn from_term(env: &mut Env, term: CTerm) -> Result { 576 | let terms:&[CTerm] = try!(term.term_as(env)); 577 | FromTerm::from_term(env, terms) 578 | } 579 | } 580 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22,) { 581 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 582 | if terms.len() != 23 { return Err(Error::Badarg) }; 583 | Ok(( 584 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), 585 | )) 586 | } 587 | } 588 | 589 | 590 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23,) { 591 | fn as_term(&self, env: &mut Env) -> CTerm { 592 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env)]; 593 | terms.as_ref().as_term(env) 594 | } 595 | } 596 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23,) { 597 | fn from_term(env: &mut Env, term: CTerm) -> Result { 598 | let terms:&[CTerm] = try!(term.term_as(env)); 599 | FromTerm::from_term(env, terms) 600 | } 601 | } 602 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23,) { 603 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 604 | if terms.len() != 24 { return Err(Error::Badarg) }; 605 | Ok(( 606 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), 607 | )) 608 | } 609 | } 610 | 611 | 612 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24,) { 613 | fn as_term(&self, env: &mut Env) -> CTerm { 614 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env)]; 615 | terms.as_ref().as_term(env) 616 | } 617 | } 618 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24,) { 619 | fn from_term(env: &mut Env, term: CTerm) -> Result { 620 | let terms:&[CTerm] = try!(term.term_as(env)); 621 | FromTerm::from_term(env, terms) 622 | } 623 | } 624 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24,) { 625 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 626 | if terms.len() != 25 { return Err(Error::Badarg) }; 627 | Ok(( 628 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), 629 | )) 630 | } 631 | } 632 | 633 | 634 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25,) { 635 | fn as_term(&self, env: &mut Env) -> CTerm { 636 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env)]; 637 | terms.as_ref().as_term(env) 638 | } 639 | } 640 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25,) { 641 | fn from_term(env: &mut Env, term: CTerm) -> Result { 642 | let terms:&[CTerm] = try!(term.term_as(env)); 643 | FromTerm::from_term(env, terms) 644 | } 645 | } 646 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25,) { 647 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 648 | if terms.len() != 26 { return Err(Error::Badarg) }; 649 | Ok(( 650 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), 651 | )) 652 | } 653 | } 654 | 655 | 656 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm, T26: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26,) { 657 | fn as_term(&self, env: &mut Env) -> CTerm { 658 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env), self.26.as_term(env)]; 659 | terms.as_ref().as_term(env) 660 | } 661 | } 662 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26,) { 663 | fn from_term(env: &mut Env, term: CTerm) -> Result { 664 | let terms:&[CTerm] = try!(term.term_as(env)); 665 | FromTerm::from_term(env, terms) 666 | } 667 | } 668 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26,) { 669 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 670 | if terms.len() != 27 { return Err(Error::Badarg) }; 671 | Ok(( 672 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), try!(terms[26].term_as(env)), 673 | )) 674 | } 675 | } 676 | 677 | 678 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm, T26: AsTerm, T27: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27,) { 679 | fn as_term(&self, env: &mut Env) -> CTerm { 680 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env), self.26.as_term(env), self.27.as_term(env)]; 681 | terms.as_ref().as_term(env) 682 | } 683 | } 684 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27,) { 685 | fn from_term(env: &mut Env, term: CTerm) -> Result { 686 | let terms:&[CTerm] = try!(term.term_as(env)); 687 | FromTerm::from_term(env, terms) 688 | } 689 | } 690 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27,) { 691 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 692 | if terms.len() != 28 { return Err(Error::Badarg) }; 693 | Ok(( 694 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), try!(terms[26].term_as(env)), try!(terms[27].term_as(env)), 695 | )) 696 | } 697 | } 698 | 699 | 700 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm, T26: AsTerm, T27: AsTerm, T28: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28,) { 701 | fn as_term(&self, env: &mut Env) -> CTerm { 702 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env), self.26.as_term(env), self.27.as_term(env), self.28.as_term(env)]; 703 | terms.as_ref().as_term(env) 704 | } 705 | } 706 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28,) { 707 | fn from_term(env: &mut Env, term: CTerm) -> Result { 708 | let terms:&[CTerm] = try!(term.term_as(env)); 709 | FromTerm::from_term(env, terms) 710 | } 711 | } 712 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28,) { 713 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 714 | if terms.len() != 29 { return Err(Error::Badarg) }; 715 | Ok(( 716 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), try!(terms[26].term_as(env)), try!(terms[27].term_as(env)), try!(terms[28].term_as(env)), 717 | )) 718 | } 719 | } 720 | 721 | 722 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm, T26: AsTerm, T27: AsTerm, T28: AsTerm, T29: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,) { 723 | fn as_term(&self, env: &mut Env) -> CTerm { 724 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env), self.26.as_term(env), self.27.as_term(env), self.28.as_term(env), self.29.as_term(env)]; 725 | terms.as_ref().as_term(env) 726 | } 727 | } 728 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm, T29: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,) { 729 | fn from_term(env: &mut Env, term: CTerm) -> Result { 730 | let terms:&[CTerm] = try!(term.term_as(env)); 731 | FromTerm::from_term(env, terms) 732 | } 733 | } 734 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm, T29: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29,) { 735 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 736 | if terms.len() != 30 { return Err(Error::Badarg) }; 737 | Ok(( 738 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), try!(terms[26].term_as(env)), try!(terms[27].term_as(env)), try!(terms[28].term_as(env)), try!(terms[29].term_as(env)), 739 | )) 740 | } 741 | } 742 | 743 | 744 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm, T26: AsTerm, T27: AsTerm, T28: AsTerm, T29: AsTerm, T30: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30,) { 745 | fn as_term(&self, env: &mut Env) -> CTerm { 746 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env), self.26.as_term(env), self.27.as_term(env), self.28.as_term(env), self.29.as_term(env), self.30.as_term(env)]; 747 | terms.as_ref().as_term(env) 748 | } 749 | } 750 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm, T29: FromTerm, T30: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30,) { 751 | fn from_term(env: &mut Env, term: CTerm) -> Result { 752 | let terms:&[CTerm] = try!(term.term_as(env)); 753 | FromTerm::from_term(env, terms) 754 | } 755 | } 756 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm, T29: FromTerm, T30: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30,) { 757 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 758 | if terms.len() != 31 { return Err(Error::Badarg) }; 759 | Ok(( 760 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), try!(terms[26].term_as(env)), try!(terms[27].term_as(env)), try!(terms[28].term_as(env)), try!(terms[29].term_as(env)), try!(terms[30].term_as(env)), 761 | )) 762 | } 763 | } 764 | 765 | 766 | impl, T1: AsTerm, T2: AsTerm, T3: AsTerm, T4: AsTerm, T5: AsTerm, T6: AsTerm, T7: AsTerm, T8: AsTerm, T9: AsTerm, T10: AsTerm, T11: AsTerm, T12: AsTerm, T13: AsTerm, T14: AsTerm, T15: AsTerm, T16: AsTerm, T17: AsTerm, T18: AsTerm, T19: AsTerm, T20: AsTerm, T21: AsTerm, T22: AsTerm, T23: AsTerm, T24: AsTerm, T25: AsTerm, T26: AsTerm, T27: AsTerm, T28: AsTerm, T29: AsTerm, T30: AsTerm, T31: AsTerm> AsTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31,) { 767 | fn as_term(&self, env: &mut Env) -> CTerm { 768 | let terms = [self.0.as_term(env), self.1.as_term(env), self.2.as_term(env), self.3.as_term(env), self.4.as_term(env), self.5.as_term(env), self.6.as_term(env), self.7.as_term(env), self.8.as_term(env), self.9.as_term(env), self.10.as_term(env), self.11.as_term(env), self.12.as_term(env), self.13.as_term(env), self.14.as_term(env), self.15.as_term(env), self.16.as_term(env), self.17.as_term(env), self.18.as_term(env), self.19.as_term(env), self.20.as_term(env), self.21.as_term(env), self.22.as_term(env), self.23.as_term(env), self.24.as_term(env), self.25.as_term(env), self.26.as_term(env), self.27.as_term(env), self.28.as_term(env), self.29.as_term(env), self.30.as_term(env), self.31.as_term(env)]; 769 | terms.as_ref().as_term(env) 770 | } 771 | } 772 | impl, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm, T29: FromTerm, T30: FromTerm, T31: FromTerm> FromTerm for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31,) { 773 | fn from_term(env: &mut Env, term: CTerm) -> Result { 774 | let terms:&[CTerm] = try!(term.term_as(env)); 775 | FromTerm::from_term(env, terms) 776 | } 777 | } 778 | impl<'a, T0: FromTerm, T1: FromTerm, T2: FromTerm, T3: FromTerm, T4: FromTerm, T5: FromTerm, T6: FromTerm, T7: FromTerm, T8: FromTerm, T9: FromTerm, T10: FromTerm, T11: FromTerm, T12: FromTerm, T13: FromTerm, T14: FromTerm, T15: FromTerm, T16: FromTerm, T17: FromTerm, T18: FromTerm, T19: FromTerm, T20: FromTerm, T21: FromTerm, T22: FromTerm, T23: FromTerm, T24: FromTerm, T25: FromTerm, T26: FromTerm, T27: FromTerm, T28: FromTerm, T29: FromTerm, T30: FromTerm, T31: FromTerm> FromTerm<&'a [CTerm]> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26, T27, T28, T29, T30, T31,) { 779 | fn from_term(env: &mut Env, terms: &[CTerm]) -> Result { 780 | if terms.len() != 32 { return Err(Error::Badarg) }; 781 | Ok(( 782 | try!(terms[0].term_as(env)), try!(terms[1].term_as(env)), try!(terms[2].term_as(env)), try!(terms[3].term_as(env)), try!(terms[4].term_as(env)), try!(terms[5].term_as(env)), try!(terms[6].term_as(env)), try!(terms[7].term_as(env)), try!(terms[8].term_as(env)), try!(terms[9].term_as(env)), try!(terms[10].term_as(env)), try!(terms[11].term_as(env)), try!(terms[12].term_as(env)), try!(terms[13].term_as(env)), try!(terms[14].term_as(env)), try!(terms[15].term_as(env)), try!(terms[16].term_as(env)), try!(terms[17].term_as(env)), try!(terms[18].term_as(env)), try!(terms[19].term_as(env)), try!(terms[20].term_as(env)), try!(terms[21].term_as(env)), try!(terms[22].term_as(env)), try!(terms[23].term_as(env)), try!(terms[24].term_as(env)), try!(terms[25].term_as(env)), try!(terms[26].term_as(env)), try!(terms[27].term_as(env)), try!(terms[28].term_as(env)), try!(terms[29].term_as(env)), try!(terms[30].term_as(env)), try!(terms[31].term_as(env)), 783 | )) 784 | } 785 | } 786 | -------------------------------------------------------------------------------- /tests/start_erl_test.rs: -------------------------------------------------------------------------------- 1 | use std::process; 2 | 3 | #[test] 4 | fn main() { 5 | let result = process::Command::new("make") 6 | //.arg("V=1") 7 | .arg("tests") 8 | .current_dir("tests/test_app") 9 | .status(); 10 | let success = match result { 11 | Ok(status) => status.success(), 12 | _ => false, 13 | }; 14 | assert_eq!(true, success); 15 | } 16 | -------------------------------------------------------------------------------- /tests/test_app/Makefile: -------------------------------------------------------------------------------- 1 | PROJECT = test_app 2 | 3 | DEPS = find_crate 4 | BUILD_DEPS = rust_mk 5 | DEP_PLUGINS = rust_mk 6 | 7 | include erlang.mk 8 | -------------------------------------------------------------------------------- /tests/test_app/crates/test_nif/Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "test_nif" 3 | version = "0.0.2" 4 | authors = ["Daniel Goertzen "] 5 | 6 | [lib] 7 | name = "test_nif" 8 | crate-type = ["dylib"] 9 | 10 | [dependencies] 11 | #erlang_nif-sys = "0.4" 12 | erlang_nif-sys = { path = "/home/goertzen/erlang_nif-sys" } 13 | 14 | #ruster = "0.1" 15 | ruster = { path = "../../../.." } 16 | -------------------------------------------------------------------------------- /tests/test_app/crates/test_nif/src/lib.rs: -------------------------------------------------------------------------------- 1 | 2 | 3 | #[macro_use] 4 | extern crate erlang_nif_sys; 5 | 6 | #[macro_use] 7 | extern crate ruster as nif; 8 | 9 | use nif::{Env, Term, CTerm, AsTerm, TermAs, OwnedEnv, Atom}; 10 | use nif::{open_resource_type, new_binary, ResourcePtr, Error}; 11 | use nif::{selfpid, send_from_process}; 12 | use erlang_nif_sys::{enif_priv_data, c_void, c_int}; 13 | 14 | use std::cell::Cell; 15 | 16 | /// Create NIF module data and init function. 17 | nif_init!(b"test_nif\0", Some(load), None, None, Some(unload), 18 | nif!(b"dynamic_atom\0", 0, dynamic_atom_wrapper), 19 | nif!(b"prebuilt_atom\0", 0, prebuilt_atom_wrapper), 20 | nif!(b"int\0", 0, int_wrapper), 21 | nif!(b"doubleit\0", 1, doubleit_wrapper), 22 | nif!(b"selfsend\0", 0, selfsend_wrapper), 23 | nif!(b"decode_int\0", 1, decode_int_wrapper), 24 | nif!(b"tuple_math\0", 1, tuple_math_wrapper), 25 | nif!(b"param2tuple\0", 2, param2tuple_wrapper), 26 | nif!(b"make_resource\0", 1, make_resource_wrapper), 27 | nif!(b"render_resource\0", 2, render_resource_wrapper), 28 | nif!(b"mutate_resource\0", 3, mutate_resource_wrapper), 29 | nif!(b"reverse_binary\0", 1, reverse_binary_wrapper) 30 | ); 31 | 32 | 33 | 34 | 35 | 36 | 37 | ///////////////////////////////// 38 | // NIF Private Data 39 | 40 | 41 | struct PrivData { 42 | prebuilt_atom: Atom, 43 | } 44 | 45 | impl PrivData { 46 | fn new(env: &mut Env) -> PrivData { 47 | PrivData { 48 | prebuilt_atom: Atom::new(env, "prebuilt_atom"), 49 | } 50 | } 51 | } 52 | 53 | fn get_priv_data(env: &mut Env) -> &'static PrivData { 54 | unsafe { 55 | &*(enif_priv_data(env) as *mut PrivData) 56 | } 57 | } 58 | 59 | // #[derive(Debug)] 60 | // struct Droppable; 61 | 62 | // impl Drop for Droppable { 63 | // fn drop(&mut self) { 64 | // println!("dropping dropable!"); 65 | // } 66 | // } 67 | 68 | 69 | extern "C" fn load(penv: *mut Env, 70 | priv_data: *mut *mut c_void, 71 | _load_info: CTerm)-> c_int { 72 | 73 | let env = unsafe{ &mut *penv }; 74 | let data = Box::new(PrivData::new(env)); 75 | unsafe{ *priv_data = Box::into_raw(data) as *mut c_void; } 76 | 77 | unsafe { 78 | open_resource_type::(env, "i32").unwrap(); 79 | open_resource_type::>(env, "Cell").unwrap(); 80 | } 81 | 0 82 | } 83 | 84 | extern "C" fn unload(_penv: *mut Env, 85 | priv_data: *mut c_void) { 86 | unsafe { 87 | Box::from_raw(priv_data as *mut PrivData); // rebox and drop 88 | } 89 | } 90 | 91 | 92 | nif_wrapper!(dynamic_atom_wrapper, dynamic_atom); 93 | nif_wrapper!(prebuilt_atom_wrapper, prebuilt_atom); 94 | nif_wrapper!(int_wrapper, int); 95 | nif_wrapper!(doubleit_wrapper, doubleit); 96 | nif_wrapper!(selfsend_wrapper, selfsend); 97 | nif_wrapper!(decode_int_wrapper, decode_int); 98 | nif_wrapper!(tuple_math_wrapper, tuple_math); 99 | nif_wrapper!(param2tuple_wrapper, param2tuple); 100 | nif_wrapper!(make_resource_wrapper, make_resource); 101 | nif_wrapper!(render_resource_wrapper, render_resource); 102 | nif_wrapper!(mutate_resource_wrapper, mutate_resource); 103 | nif_wrapper!(reverse_binary_wrapper, reverse_binary); 104 | 105 | fn dynamic_atom(env: &mut Env, _args:&[Term]) -> nif::Result { 106 | Ok(Atom::new(env, "an_atom").as_term(env)) 107 | } 108 | 109 | fn prebuilt_atom(env: &mut Env, _args:&[Term]) -> nif::Result { 110 | Ok(get_priv_data(env).prebuilt_atom.as_term(env)) 111 | } 112 | 113 | fn int(env: &mut Env, _args: &[Term]) -> nif::Result { 114 | Ok(12345.as_term(env)) 115 | } 116 | 117 | fn doubleit(env: &mut Env, args: &[Term]) -> nif::Result { 118 | let (f,):(f64,) = try!(args.term_as(env)); 119 | Ok((f*2.0).as_term(env)) 120 | } 121 | 122 | fn selfsend(env: &mut Env, _args: &[Term]) -> nif::Result { 123 | let to_pid = selfpid(env); 124 | let mut msg_env = OwnedEnv::new(); 125 | let msg = 9998.as_term(msg_env.as_mut()); 126 | unsafe{ send_from_process(env, &to_pid, msg_env, msg).unwrap() }; 127 | Ok(AsTerm::term_from(env, &0)) 128 | //Ok(0.as_term(env)) 129 | } 130 | 131 | 132 | fn decode_int(env: &mut Env, args: &[Term]) -> nif::Result { 133 | //let num:i32 = try!(FromTerm::from_term(env, args[0])); 134 | let num:i32 = try!(args[0].term_as(env)); 135 | Ok( (num * 2).as_term(env) ) 136 | } 137 | 138 | 139 | 140 | fn tuple_math(env: &mut Env, args: &[Term]) -> nif::Result { 141 | let (a,b):(i32, i32) = try!(args[0].term_as(env)); 142 | Ok( (a+10, b*2).as_term(env) ) 143 | } 144 | 145 | fn param2tuple(env: &mut Env, args: &[Term]) -> nif::Result { 146 | let (a,b):(i32, i32) = try!(args.term_as(env)); 147 | Ok( (a+10, b*2).as_term(env) ) 148 | } 149 | 150 | 151 | fn make_resource(env: &mut Env, args: &[Term]) -> nif::Result { 152 | let (resnum,):(i32,) = try!(args.term_as(env)); 153 | match resnum { 154 | 0 => Ok(ResourcePtr::new(1239).as_term(env)), 155 | 1 => { 156 | let x = ResourcePtr::new(1238); 157 | Ok(123.as_term(env)) 158 | } 159 | // 1 => Ok(ResourcePtr::new(Cell::new(1238)).as_term(env)), 160 | _ => Err(Error::Badarg), 161 | } 162 | } 163 | 164 | fn render_resource(env: &mut Env, args: &[Term]) -> nif::Result { 165 | let (resnum, resterm):(i32, Term) = try!(args.term_as(env)); 166 | match resnum { 167 | 0 => { 168 | let p: ResourcePtr = try!(resterm.term_as(env)); 169 | Ok((*p).as_term(env)) 170 | }, 171 | _ => Err(Error::Badarg), 172 | } 173 | } 174 | 175 | fn mutate_resource(env: &mut Env, args: &[Term]) -> nif::Result { 176 | let (resnum, resterm, valterm):(i32, Term, Term) = try!(args.term_as(env)); 177 | Err(Error::Badarg) 178 | } 179 | 180 | 181 | fn reverse_binary(env: &mut Env, args: &[Term]) -> nif::Result { 182 | let (binterm,):(Term,) = try!(args.term_as(env)); 183 | 184 | let oldslice: &[u8] = try!(binterm.term_as(env)); 185 | let (newterm, newslice) = new_binary(env, oldslice.len()); 186 | 187 | let mut newiter = newslice.iter_mut(); 188 | 189 | for old in oldslice.iter().rev() { 190 | *(newiter.next().unwrap()) = *old; 191 | } 192 | Ok(newterm) 193 | } 194 | 195 | 196 | // static mut store_atom_storage:Option> = None; 197 | // unsafe_wrapper!(store_atom_wrapper, store_atom); 198 | // fn store_atom<'a>(env:&'a Env, args:&[Term<'a>]) -> Result,NifError> { 199 | // let result = match term_to_atom(env, args[0]) { 200 | // Some(atom) => { 201 | // unsafe{ store_atom_storage = Some(atom); } 202 | // 0 203 | // }, 204 | // None => 1 205 | // }; 206 | // Ok(result.to_term(env)) 207 | // } 208 | 209 | // unsafe_wrapper!(fetch_atom_wrapper, fetch_atom); 210 | // fn fetch_atom<'a>(env:&'a Env, _args:&[Term<'a>]) -> Result,NifError> { 211 | // let result = match unsafe{store_atom_storage} { 212 | // Some(atom) => atom, 213 | // None => 1.to_term(env) 214 | // }; 215 | // Ok(result) 216 | // } 217 | 218 | 219 | // fn envptr<'a>(env:&'a Env, _args:&[Term<'a>]) -> nif::Result> { 220 | // // plainintmuttest(); 221 | // // holderintmuttest(); 222 | // //threadtest(env); 223 | // //let abc = test::new_i32(); 224 | // // let penv0 = PIE::new().map(|pie:&Env,_| { 225 | // // // let it = 0.to_term(pie); 226 | // // // let it2 = 1.to_term(pie); 227 | // // // println!("done it assignment, inside closure"); 228 | // // // it 229 | // // 0.to_term(pie) 230 | // // }); 231 | 232 | // //let penv0 = PIE::new().map(envtest); 233 | 234 | // println!("done it assignment, ouside closure"); 235 | 236 | 237 | // // // let env2 = &mut penv.as_mut(); 238 | 239 | // // // // let it = 0.to_term(penv.as_mut()); 240 | // // mutenvborrow(&mut env2); 241 | // // mutenvborrow(&mut env2); 242 | // // mutenvborrow(&mut env2); 243 | // // let it = 0.to_term(&mut env2); 244 | // // let it2 = 1.to_term(&mut env2); 245 | // Ok(0.to_term(&env)) 246 | // } 247 | 248 | // fn envtest<'a>(pie:&'a Env, _:()) -> Term<'a> { 249 | // 0.to_term(pie) 250 | // } 251 | 252 | 253 | // fn send123<'a>(env:&'a Env, _args:&[Term<'a>]) -> nif::Result> { 254 | // let pid = unsafe{ nif::selfpid(env) }; 255 | 256 | // std::thread::spawn(move || { 257 | // unsafe { 258 | // //let spare = UniqueEnv::new(); 259 | // let e1 = UniqueEnv::new(); 260 | 261 | // let t1 = 1.to_term(e1.as_static()); 262 | // let d1 = nif::send_from_thread(&pid, e1, t1).unwrap(); 263 | // let e2 = d1.clear(); 264 | 265 | // let t2 = 2.to_term(e2.as_static()); 266 | // let e3 = nif::send_from_thread(&pid, e2, t2).unwrap().clear(); 267 | 268 | // let t3 = 3.to_term(e3.as_static()); 269 | // nif::send_from_thread(&pid, e3, t3); 270 | // } 271 | // }); 272 | 273 | // Ok(0.to_term(&env)) 274 | // } 275 | 276 | 277 | 278 | // fn mutenvborrow(blah:&mut Env) { 279 | // // do dee do 280 | // } 281 | 282 | // fn incint(i:&i32) { 283 | // //*i += 1; 284 | // println!("incint sees {}",&i); 285 | // } 286 | 287 | // fn plainintmuttest() { 288 | // let x:i32 = 123; 289 | 290 | // incint(&x); 291 | // incint(&x); 292 | // incint(&x); 293 | // println!("{}",x); 294 | 295 | // } 296 | 297 | // struct intholder { 298 | // i:i32 299 | // } 300 | 301 | // impl std::ops::Deref for intholder { 302 | // type Target = i32; 303 | // fn deref(&self) -> &Self::Target { 304 | // &self.i 305 | // } 306 | // } 307 | 308 | 309 | // fn holderintmuttest() { 310 | // let holder = intholder{i:456}; 311 | 312 | // incint(&holder); 313 | // incint(&holder); 314 | // incint(&holder); 315 | // println!("all done"); 316 | // } 317 | 318 | // must not compile /////////////////////////////////////////////// 319 | 320 | // static mut my_term:Option> = None; 321 | // fn should_not_compile<'a>(env:&'a Env, args:&[Term<'a>]) -> Result,NifError> { 322 | // my_term = Some(args[0]); 323 | // Ok(123.to_term(env)) 324 | // } 325 | 326 | 327 | // static mut my_term:Option> = None; 328 | // fn test_compile<'a>(env:&'a Env, args:&[Term<'a>]) -> Result,NifError> { 329 | // Ok(unsafe{my_term.unwrap()}) 330 | // } 331 | 332 | 333 | // // must not compile /////////////////////////////////////////////// 334 | // fn envptrxxx<'a>(env:&'a Env, _args:&[Term<'a>]) -> Result,NifError> { 335 | // let penv = EnvPtr::new(); 336 | // let it = 0.to_term(&penv); 337 | // Ok(it) 338 | // } 339 | 340 | 341 | // look at this again when thread::scoped is back up. 342 | // // must not compile /////////////////////////////////////////////// 343 | // fn threadtest(env:& Env) { 344 | // let penv = EnvPtr::new(); 345 | 346 | // println!("hello from before thread"); 347 | 348 | // let threads = (0..10).map(|x| { 349 | // std::thread::spawn( move || { 350 | // let temp = 0.to_term(&penv); 351 | // println!("hello from thread {}",x); 352 | // }) 353 | // }); 354 | 355 | // for t in threads { t.join(); } 356 | 357 | 358 | // // std::thread::spawn( move || { 359 | // // let temp = 0.to_term(&penv); 360 | // // println!("hello from thread"); 361 | // // }).join(); 362 | 363 | // println!("hello from after thread"); 364 | 365 | // let it = 0.to_term(env); 366 | 367 | // } 368 | 369 | 370 | // must not compile /////////////////////////////////////////////// 371 | // must not compile /////////////////////////////////////////////// 372 | // must not compile /////////////////////////////////////////////// 373 | // must not compile /////////////////////////////////////////////// 374 | // must not compile /////////////////////////////////////////////// 375 | 376 | 377 | -------------------------------------------------------------------------------- /tests/test_app/rel/sys.config: -------------------------------------------------------------------------------- 1 | [ 2 | ]. 3 | -------------------------------------------------------------------------------- /tests/test_app/rel/vm.args: -------------------------------------------------------------------------------- 1 | -name test_app@127.0.0.1 2 | -setcookie test_app 3 | -heart 4 | -------------------------------------------------------------------------------- /tests/test_app/relx.config: -------------------------------------------------------------------------------- 1 | {release, {test_app_release, "1"}, [test_app]}. 2 | {extended_start_script, true}. 3 | {sys_config, "rel/sys.config"}. 4 | {vm_args, "rel/vm.args"}. 5 | -------------------------------------------------------------------------------- /tests/test_app/src/test_nif.erl: -------------------------------------------------------------------------------- 1 | -module(test_nif). 2 | 3 | -compile(export_all). 4 | 5 | -on_load(init/0). 6 | 7 | -include_lib("eunit/include/eunit.hrl"). 8 | 9 | init() -> 10 | {ok, Lib} = find_crate:find_library(test_app, "test_nif", "test_nif"), 11 | ok = erlang:load_nif(Lib, 0). 12 | 13 | dynamic_atom() -> exit(nif_library_not_loaded). 14 | dynamic_atom_test() -> ?assertEqual(an_atom, dynamic_atom()). 15 | 16 | prebuilt_atom() -> exit(nif_library_not_loaded). 17 | prebuilt_atom_test() -> ?assertEqual(prebuilt_atom, prebuilt_atom()). 18 | 19 | 20 | 21 | int() -> exit(nif_library_not_loaded). 22 | int_test() -> ?assertEqual(12345, int()). 23 | 24 | 25 | doubleit(_) -> exit(nif_library_not_loaded). 26 | doubleit_test() -> 27 | true = ( erlang:abs(2*3.14159 - doubleit(3.14159)) < 0.0001). 28 | 29 | selfsend() -> exit(nif_library_not_loaded). 30 | selfsend_test() -> 31 | selfsend(), 32 | ?assertEqual(9998, 33 | receive 34 | X -> X 35 | after 36 | 1000 -> false 37 | end). 38 | 39 | decode_int(_) -> exit(nif_library_not_loaded). 40 | decode_int_test() -> ?assertEqual(28, decode_int(14)). 41 | 42 | tuple_math(_) -> exit(nif_library_not_loaded). 43 | tuple_math_test() -> ?assertEqual({17,16}, tuple_math({7,8})). 44 | 45 | param2tuple(_,_) -> exit(nif_library_not_loaded). 46 | param2tuple_test() -> ?assertEqual({17,16}, param2tuple(7,8)). 47 | 48 | make_resource(_) -> exit(nif_library_not_loaded). 49 | render_resource(_,_) -> exit(nif_library_not_loaded). 50 | mutate_resource(_,_,_) -> exit(nif_library_not_loaded). 51 | 52 | make_resource_test() -> 53 | make_resource(1), 54 | begin 55 | R1 = make_resource(0), 56 | ?assertEqual(1239, render_resource(0,R1)) 57 | end, 58 | erlang:garbage_collect(self()), 59 | ok. 60 | 61 | 62 | 63 | reverse_binary(_) -> exit(nif_library_not_loaded). 64 | reverse_binary_test() -> 65 | Bin = <<1,2,3,4,5,6,7,8,0>>, 66 | ?assertEqual(<<0,8,7,6,5,4,3,2,1>>, reverse_binary(Bin)), 67 | ok. --------------------------------------------------------------------------------