1 // Copyright 2015 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 // Test that the trace_macros feature gate is on.
14 trace_macros!(); //~ ERROR `trace_macros` is not stable
15 trace_macros!(1); //~ ERROR `trace_macros` is not stable
16 trace_macros!(ident); //~ ERROR `trace_macros` is not stable
17 trace_macros!(for); //~ ERROR `trace_macros` is not stable
18 trace_macros!(true,); //~ ERROR `trace_macros` is not stable
19 trace_macros!(false 1); //~ ERROR `trace_macros` is not stable
21 // Errors are signalled early for the above, before expansion.
22 // See trace_macros-gate2 and trace_macros-gate3. for examples
23 // of the below being caught.
25 macro_rules! expando {
26 ($x: ident) => { trace_macros!($x) } //~ ERROR `trace_macros` is not stable