src/test/compile-fail/issue-5239-1.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 // Regression test for issue #5239
  12
  13 fn main() {
  14     let x = |ref x: isize| -> isize { x += 1; };
  15     //~^ ERROR binary assignment operation `+=` cannot be applied to type `&isize`
  16 }