| // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // aux-build:macro_crate_test.rs |
| // ignore-stage1 |
| |
| #![feature(plugin, custom_attribute)] |
| #![plugin(macro_crate_test)] |
| |
| #[macro_use] |
| #[no_link] |
| extern crate macro_crate_test; |
| |
| // The duplicate macro will create a copy of the item with the given identifier. |
| |
| #[duplicate(MyCopy)] |
| struct MyStruct { |
| number: i32 |
| } |
| |
| trait TestTrait { |
| #[duplicate(TestType2)] |
| type TestType; |
| |
| #[duplicate(required_fn2)] |
| fn required_fn(&self); |
| |
| #[duplicate(provided_fn2)] |
| fn provided_fn(&self) { } |
| } |
| |
| impl TestTrait for MyStruct { |
| #[duplicate(TestType2)] |
| type TestType = f64; |
| |
| #[duplicate(required_fn2)] |
| fn required_fn(&self) { } |
| } |
| |
| fn main() { |
| let s = MyStruct { number: 42 }; |
| s.required_fn(); |
| s.required_fn2(); |
| s.provided_fn(); |
| s.provided_fn2(); |
| |
| let s = MyCopy { number: 42 }; |
| } |