src/test/ui/slice-mut.rs

   1 // Test mutability and slicing syntax.
   2
   3 fn main() {
   4     let x: &[isize] = &[1, 2, 3, 4, 5];
   5     // Immutable slices are not mutable.
   6
   7     let y: &mut[_] = &x[2..4];
   8     //~^ ERROR mismatched types
   9     //~| expected mutable reference `&mut [_]`
  10     //~| found reference `&[isize]`
  11     //~| types differ in mutability
  12 }