[rustc.git] / src / test / compile-fail / hygienic-label-2.rs

// Copyright 2012-2014 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.

macro_rules! foo {
    ($e: expr) => { 'x: loop { $e } }
}

pub fn main() {
    foo!(break 'x); //~ ERROR use of undeclared label `'x`
}
Commit	Line	Data
1a4d82fc	1	// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
223e47cc LB	2	// file at the top-level directory of this distribution and at
	3	// http://rust-lang.org/COPYRIGHT.
	4	//
	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.
	10
1a4d82fc JJ	11	macro_rules! foo {
1a4d82fc JJ	12	($e: expr) => { 'x: loop { $e } }
223e47cc LB	13	}
	14
	15	pub fn main() {
1a4d82fc	16	foo!(break 'x); //~ ERROR use of undeclared label `'x`
223e47cc	17	}