| //! Check that we do not allow assigning twice to an immutable variable. This test also checks a |
| //! few pieces of borrowck diagnostics: |
| //! |
| //! - A multipart borrowck diagnostics that points out the first assignment to an immutable |
| //! variable, alongside violating assignments that follow subsequently. |
| //! - A suggestion diagnostics to make the immutable binding mutable. |
| |
| //@ run-rustfix |
| |
| fn main() { |
| let v: isize; |
| //~^ HELP consider making this binding mutable |
| //~| SUGGESTION mut |
| v = 1; |
| //~^ NOTE first assignment |
| println!("v={}", v); |
| v = 2; |
| //~^ ERROR cannot assign twice to immutable variable |
| //~| NOTE cannot assign twice to immutable |
| println!("v={}", v); |
| } |
