// Copyright 2015 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Test that the trace_macros feature gate is on. pub fn main() { println!("arg: {}", trace_macros!()); //~ ERROR `trace_macros` is not stable println!("arg: {}", trace_macros!(1)); //~ ERROR `trace_macros` is not stable println!("arg: {}", trace_macros!(ident)); //~ ERROR `trace_macros` is not stable println!("arg: {}", trace_macros!(for)); //~ ERROR `trace_macros` is not stable println!("arg: {}", trace_macros!(true,)); //~ ERROR `trace_macros` is not stable println!("arg: {}", trace_macros!(false 1)); //~ ERROR `trace_macros` is not stable }