src/test/compile-fail/borrowck-break-uninit-2.rs

   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 fn foo() -> isize {
  12     let x: isize;
  13
  14     while 1 != 2  {
  15         break;
  16         x = 0;
  17     }
  18
  19     println!("{}", x); //~ ERROR use of possibly uninitialized variable: `x`
  20
  21     return 17;
  22 }
  23
  24 fn main() { println!("{}", foo()); }