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
13 // ignore-cross-compile
15 #![feature(use_extern_macros, proc_macro_non_items)]
17 extern crate proc_macro_def;
19 use proc_macro_def::{attr_tru, attr_identity, identity, ret_tru, tru};
28 return identity!(true);
31 fn f3() -> identity!(bool) {
35 fn f4(x: bool) -> bool {
37 identity!(true) => false,
38 identity!(false) => true,
47 assert!(identity!(5 == 5));