src/test/run-pass-fulldeps/macro-crate-multi-decorator.rs

   1 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // aux-build:macro_crate_test.rs
  12 // ignore-stage1
  13
  14 #![feature(plugin, custom_attribute)]
  15 #![plugin(macro_crate_test)]
  16
  17 #[macro_use]
  18 #[no_link]
  19 extern crate macro_crate_test;
  20
  21 // The duplicate macro will create a copy of the item with the given identifier.
  22
  23 #[duplicate(MyCopy)]
  24 struct MyStruct {
  25     number: i32
  26 }
  27
  28 trait TestTrait {
  29     #[duplicate(TestType2)]
  30     type TestType;
  31
  32     #[duplicate(required_fn2)]
  33     fn required_fn(&self);
  34
  35     #[duplicate(provided_fn2)]
  36     fn provided_fn(&self) { }
  37 }
  38
  39 impl TestTrait for MyStruct {
  40     #[duplicate(TestType2)]
  41     type TestType = f64;
  42
  43     #[duplicate(required_fn2)]
  44     fn required_fn(&self) { }
  45 }
  46
  47 fn main() {
  48     let s = MyStruct { number: 42 };
  49     s.required_fn();
  50     s.required_fn2();
  51     s.provided_fn();
  52     s.provided_fn2();
  53
  54     let s = MyCopy { number: 42 };
  55 }