src/test/ui/pattern/usefulness/refutable-pattern-errors.rs

   1 // ignore-tidy-linelength
   2
   3 fn func((1, (Some(1), 2..=3)): (isize, (Option<isize>, isize))) { }
   4 //~^ ERROR refutable pattern in function argument: `(_, _)` not covered
   5
   6 fn main() {
   7     let (1, (Some(1), 2..=3)) = (1, (None, 2));
   8     //~^ ERROR refutable pattern in local binding: `(std::i32::MIN..=0i32, _)` and `(2i32..=std::i32::MAX, _)` not covered
   9 }