1 // Copyright 2017 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.
13 const fn foo(x: u32) -> u32 {
19 //~^ WARN any use of this value will cause
20 const Y: u32 = foo(0-1);
21 //~^ WARN any use of this value will cause
22 println!("{} {}", X, Y);
23 //~^ ERROR evaluation of constant expression failed
24 //~| ERROR evaluation of constant expression failed