[rustc.git] / src / test / compile-fail / loop-does-not-diverge.rs

// Copyright 2012 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.

/* Make sure a loop{} with a break in it can't be
   the tailexpr in the body of a diverging function */
fn forever() -> ! {
  loop {
    break;
  }
  return 42; //~ ERROR `return` in a function declared as diverging
}

fn main() {
}
Commit	Line	Data
223e47cc LB	1	// Copyright 2012 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.
	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
	11	/* Make sure a loop{} with a break in it can't be
	12	the tailexpr in the body of a diverging function */
	13	fn forever() -> ! {
	14	loop {
	15	break;
	16	}
85aaf69f	17	return 42; //~ ERROR `return` in a function declared as diverging
223e47cc LB	18	}
	19
	20	fn main() {
223e47cc	21	}