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.
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.
11 // aux-build:proc_macro_def.rs
12 // ignore-cross-compile
14 #![feature(proc_macro_hygiene)]
16 extern crate proc_macro_def;
18 use proc_macro_def::{attr_tru, attr_identity, identity, ret_tru, tru};
27 return identity!(true);
30 fn f3() -> identity!(bool) {
34 fn f4(x: bool) -> bool {
36 identity!(true) => false,
37 identity!(false) => true,
46 assert!(identity!(5 == 5));