1 // Copyright 2014 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 #![feature(trace_macros)]
14 trace_macros!(); //~ ERROR trace_macros! accepts only `true` or `false`
15 trace_macros!(1); //~ ERROR trace_macros! accepts only `true` or `false`
16 trace_macros!(ident); //~ ERROR trace_macros! accepts only `true` or `false`
17 trace_macros!(for); //~ ERROR trace_macros! accepts only `true` or `false`
18 trace_macros!(true,); //~ ERROR trace_macros! accepts only `true` or `false`
19 trace_macros!(false 1); //~ ERROR trace_macros! accepts only `true` or `false`
23 macro_rules! expando {
24 ($x: ident) => { trace_macros!($x) }