src/test/ui/mut/mut-pattern-mismatched.rs

   1 fn main() {
   2     let foo = &mut 1;
   3
   4     // (separate lines to ensure the spans are accurate)
   5
   6      let &_ //~  ERROR mismatched types
   7             //~| expected mutable reference `&mut {integer}`
   8             //~| found reference `&_`
   9             //~| types differ in mutability
  10         = foo;
  11     let &mut _ = foo;
  12
  13     let bar = &1;
  14     let &_ = bar;
  15     let &mut _ //~  ERROR mismatched types
  16                //~| expected reference `&{integer}`
  17                //~| found mutable reference `&mut _`
  18                //~| types differ in mutability
  19          = bar;
  20 }