src/test/compile-fail/ref-suggestion.rs

   1 // Copyright 2015 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 x = vec![1];
  13     let y = x;
  14     //~^ HELP use a `ref` binding as shown
  15     //~| SUGGESTION let ref y = x;
  16     x; //~ ERROR use of moved value
  17     //~^ HELP run `rustc --explain E0382` to see a detailed explanation
  18
  19     let x = vec![1];
  20     let mut y = x;
  21     //~^ HELP use a `ref` binding as shown
  22     //~| SUGGESTION let ref mut y = x;
  23     x; //~ ERROR use of moved value
  24     //~^ HELP run `rustc --explain E0382` to see a detailed explanation
  25
  26     let x = (Some(vec![1]), ());
  27
  28     match x {
  29         (Some(y), ()) => {},
  30         //~^ HELP use a `ref` binding as shown
  31         //~| SUGGESTION (Some(ref y), ()) => {},
  32         _ => {},
  33     }
  34     x; //~ ERROR use of partially moved value
  35     //~^ HELP run `rustc --explain E0382` to see a detailed explanation
  36 }