| // Copyright 2018 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. |
| |
| #![warn(const_err)] |
| |
| const X: u32 = 5; |
| const Y: u32 = 6; |
| const FOO: u32 = [X - Y, Y - X][(X < Y) as usize]; |
| //~^ WARN this constant cannot be used |
| |
| fn main() { |
| println!("{}", FOO); |
| //~^ ERROR erroneous constant used |
| //~| E0080 |
| } |
