src/test/run-pass-fulldeps/proc_macro.rs

   1 // Copyright 2016 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:proc_macro_def.rs
  12 // ignore-stage1
  13 // ignore-cross-compile
  14
  15 #![feature(proc_macro)]
  16
  17 extern crate proc_macro_def;
  18
  19 use proc_macro_def::{attr_tru, attr_identity, identity, ret_tru, tru};
  20
  21 #[attr_tru]
  22 fn f1() -> bool {
  23     return false;
  24 }
  25
  26 #[attr_identity]
  27 fn f2() -> bool {
  28     return identity!(true);
  29 }
  30
  31 fn f3() -> identity!(bool) {
  32     ret_tru!();
  33 }
  34
  35 fn f4(x: bool) -> bool {
  36     match x {
  37         identity!(true) => false,
  38         identity!(false) => true,
  39     }
  40 }
  41
  42 fn main() {
  43     assert!(f1());
  44     assert!(f2());
  45     assert!(tru!());
  46     assert!(f3());
  47     assert!(identity!(5 == 5));
  48     assert!(f4(false));
  49 }