src/test/compile-fail/cast-as-bool.rs

   1 // Copyright 2013 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 fn main() {
  12     let u = 5 as bool;
  13     //~^ ERROR cannot cast as `bool`
  14     //~^^ HELP compare with zero instead
  15     //~^^^ HELP run `rustc --explain E0054` to see a detailed explanation
  16 }