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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-fast feature doesn't work
#![feature(macro_rules, trace_macros)]
fn main() {
trace_macros!(); //~ ERROR trace_macros! accepts only `true` or `false`
trace_macros!(1); //~ ERROR trace_macros! accepts only `true` or `false`
trace_macros!(ident); //~ ERROR trace_macros! accepts only `true` or `false`
trace_macros!(for); //~ ERROR trace_macros! accepts only `true` or `false`
trace_macros!(true,); //~ ERROR trace_macros! accepts only `true` or `false`
trace_macros!(false 1); //~ ERROR trace_macros! accepts only `true` or `false`
// should be fine:
macro_rules! expando {
($x: ident) => { trace_macros!($x) }
}
expando!(true);
}
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