fn func((1, (Some(1), 2..=3)): (isize, (Option, isize))) {} //~^ ERROR refutable pattern in function argument //~| `(..=0_isize, _)` and `(2_isize.., _)` not covered fn main() { let (1, (Some(1), 2..=3)) = (1, (None, 2)); //~^ ERROR refutable pattern in local binding //~| `(i32::MIN..=0_i32, _)` and `(2_i32..=i32::MAX, _)` not covered }