src/test/ui/issues/issue-17999.rs

   1 #![deny(unused_variables)]
   2
   3 fn main() {
   4     for _ in 1..101 {
   5         let x = (); //~ ERROR: unused variable: `x`
   6         match () {
   7             a => {} //~ ERROR: unused variable: `a`
   8         }
   9     }
  10 }