src/test/ui/issues/issue-45199.rs

   1 fn test_drop_replace() {
   2     let b: Box<isize>;
   3     //~^ HELP make this binding mutable
   4     //~| SUGGESTION mut b
   5     b = Box::new(1);    //~ NOTE first assignment
   6     b = Box::new(2);    //~ ERROR cannot assign twice to immutable variable `b`
   7                         //~| NOTE cannot assign twice to immutable
   8 }
   9
  10 fn test_call() {
  11     let b = Box::new(1);    //~ NOTE first assignment
  12                             //~| HELP make this binding mutable
  13                             //~| SUGGESTION mut b
  14     b = Box::new(2);        //~ ERROR cannot assign twice to immutable variable `b`
  15                             //~| NOTE cannot assign twice to immutable
  16 }
  17
  18 fn test_args(b: Box<i32>) {  //~ HELP make this binding mutable
  19                                 //~| SUGGESTION mut b
  20     b = Box::new(2);            //~ ERROR cannot assign to immutable argument `b`
  21                                 //~| NOTE cannot assign to immutable argument
  22 }
  23
  24 fn main() {}