├── .gitignore ├── .travis.yml ├── Cargo.toml ├── LICENSE-APACHE ├── LICENSE-MIT ├── README.md ├── bors.toml └── src └── lib.rs /.gitignore: -------------------------------------------------------------------------------- 1 | 2 | /target 3 | **/*.rs.bk 4 | Cargo.lock 5 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: rust 2 | rust: 3 | - stable 4 | - beta 5 | - nightly 6 | matrix: 7 | allow_failures: 8 | - rust: nightly 9 | fast_finish: true 10 | cache: cargo 11 | 12 | script: 13 | - | 14 | if [ ${TRAVIS_RUST_VERSION} == "stable" ] 15 | then 16 | export RUSTFLAGS="-D warnings" 17 | rustup component add rustfmt 18 | cargo fmt --version 19 | cargo fmt --all -- --check 20 | fi 21 | - cargo build --verbose --all 22 | - cargo test --verbose --all 23 | after_success: 24 | - | 25 | [ $TRAVIS_BRANCH = master ] && 26 | [ $TRAVIS_PULL_REQUEST = false ] && 27 | cargo publish --token ${CRATESIO_TOKEN} 28 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "platform" 3 | version = "1.0.2" 4 | authors = ["Jacob Kiesel "] 5 | repository = "https://github.com/Xaeroxe/platform" 6 | description = "Provides an easy way to inline selection of input parameters based on the platform being targeted." 7 | license = "MIT/Apache-2.0" 8 | documentation = "https://docs.rs/platform" 9 | 10 | [dependencies] 11 | -------------------------------------------------------------------------------- /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 19 | SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 20 | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR 22 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 | DEALINGS IN THE SOFTWARE. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # platform crate [![Crates listing](https://img.shields.io/crates/v/platform.svg)](https://crates.io/crates/platform) [![Travis](https://travis-ci.com/Xaeroxe/platform.svg?branch=master)](https://travis-ci.com/Xaeroxe/platform) 2 | 3 | This crate provides an easy way to inline selection of input parameters 4 | based on the platform being targeted. Can be used on any `Sized` type. 5 | 6 | This is guaranteed to be a zero cost abstraction, as all calls are inlined. 7 | 8 | ```rust 9 | extern crate platform; 10 | 11 | use platform::Platform; 12 | 13 | fn main() { 14 | println!("Hello from {}!", 15 | "unknown" 16 | .ios("ios") 17 | .android("android") 18 | .windows("windows") 19 | .macos("macos") 20 | .linux("linux") 21 | .wasm32("wasm32") 22 | .emscripten("emscripten") 23 | ); 24 | } 25 | ``` 26 | 27 | # Contributing 28 | 29 | I welcome contributions and alterations to this project! [Here's some info to help you get started.](https://help.github.com/articles/about-pull-requests/) 30 | 31 | - If you would consider your change substantial open an issue on the issues tab so we can discuss it before you build it. 32 | - If you're fixing a bug please provide a unit test for the bug fixed so we don't do it again. 33 | - If applicable, new features should have some basic unit tests added too. 34 | - Please format your code with the most recent stable release of rustfmt before submitting your PR. 35 | - I don't have a regular release schedule, if you want something you've added put on crates.io right away make sure to 36 | bump the version number for the project in your pull request. 37 | -------------------------------------------------------------------------------- /bors.toml: -------------------------------------------------------------------------------- 1 | # Test suite must pass on Travis before merging into `master`. 2 | status = [ 3 | "continuous-integration/travis-ci/push", 4 | ] 5 | 6 | # This feature is rarely useful and more often problematic, so we turn it off. 7 | delete_merged_branches = false 8 | -------------------------------------------------------------------------------- /src/lib.rs: -------------------------------------------------------------------------------- 1 | // Copyright 2018 Jacob Kiesel 2 | 3 | // Licensed under the Apache License, Version 2.0 (the "License"); 4 | // you may not use this file except in compliance with the License. 5 | // You may obtain a copy of the License at 6 | // 7 | // http://www.apache.org/licenses/LICENSE-2.0 8 | // 9 | // Unless required by applicable law or agreed to in writing, software 10 | // distributed under the License is distributed on an "AS IS" BASIS, 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 | // See the License for the specific language governing permissions and 13 | // limitations under the License. 14 | 15 | //! This crate provides an easy way to inline selection of input parameters 16 | //! based on the platform being targeted. Can be used on any `Sized` type. 17 | //! 18 | //! This is guaranteed to be a zero cost abstraction, as all calls are inlined. 19 | //! 20 | //! ``` 21 | //! extern crate platform; 22 | //! 23 | //! use platform::Platform; 24 | //! 25 | //! fn main() { 26 | //! println!("Hello from {}!", 27 | //! "unknown" 28 | //! .ios("ios") 29 | //! .android("android") 30 | //! .windows("windows") 31 | //! .macos("macos") 32 | //! .linux("linux") 33 | //! .wasm32("wasm32") 34 | //! .emscripten("emscripten") 35 | //! ); 36 | //! 37 | //! // Alternatively, let's pretend the arguments are non-trivial to evaluate. 38 | //! // We can also use this on function pointers so long as all the variants can 39 | //! // coerce to the same function pointer type. 40 | //! println!("Hello from {}!", 41 | //! ((|| String::from("unknown")) as fn() -> String) 42 | //! .ios(|| String::from("ios")) 43 | //! .android(|| String::from("android")) 44 | //! .windows(|| String::from("windows")) 45 | //! .macos(|| String::from("macos")) 46 | //! .linux(|| String::from("linux")) 47 | //! .wasm32(|| String::from("wasm32")) 48 | //! .emscripten(|| String::from("emscripten")) 49 | //! () 50 | //! ); 51 | //! } 52 | //! ``` 53 | 54 | macro_rules! define_platform { 55 | ($platform:ident, $name:tt) => { 56 | #[inline(always)] 57 | fn $platform(self, _input: Self) -> Self { 58 | #[cfg(target_os=$name)] 59 | { 60 | _input 61 | } 62 | #[cfg(not(target_os=$name))] 63 | { 64 | self 65 | } 66 | } 67 | }; 68 | } 69 | 70 | pub trait Platform: Sized { 71 | #[inline(always)] 72 | fn wasm32(self, _input: Self) -> Self { 73 | #[cfg(target_arch = "wasm32")] 74 | { 75 | _input 76 | } 77 | 78 | #[cfg(not(target_arch = "wasm32"))] 79 | { 80 | self 81 | } 82 | } 83 | define_platform!(ios, "ios"); 84 | define_platform!(android, "android"); 85 | define_platform!(windows, "windows"); 86 | define_platform!(macos, "macos"); 87 | define_platform!(linux, "linux"); 88 | define_platform!(emscripten, "emscripten"); 89 | define_platform!(freebsd, "freebsd"); 90 | define_platform!(openbsd, "openbsd"); 91 | define_platform!(dragonfly, "dragonfly"); 92 | define_platform!(netbsd, "netbsd"); 93 | define_platform!(redox, "redox"); 94 | } 95 | 96 | impl Platform for T {} 97 | --------------------------------------------------------------------------------