src/test/ui/lint/let_underscore/let_underscore_drop.rs

   1 // check-pass
   2 #![warn(let_underscore_drop)]
   3
   4 struct NontrivialDrop;
   5
   6 impl Drop for NontrivialDrop {
   7     fn drop(&mut self) {
   8         println!("Dropping!");
   9     }
  10 }
  11
  12 fn main() {
  13     let _ = NontrivialDrop; //~WARNING non-binding let on a type that implements `Drop`
  14 }