1 error[E0005]: refutable pattern in function argument: `(_, _)` not covered
2 --> $DIR/refutable-pattern-errors.rs:12:9
4 LL | fn func((1, (Some(1), 2..=3)): (isize, (Option<isize>, isize))) { }
5 | ^^^^^^^^^^^^^^^^^^^^^ pattern `(_, _)` not covered
7 error[E0005]: refutable pattern in local binding: `(_, _)` not covered
8 --> $DIR/refutable-pattern-errors.rs:16:9
10 LL | let (1, (Some(1), 2..=3)) = (1, (None, 2));
11 | ^^^^^^^^^^^^^^^^^^^^^ pattern `(_, _)` not covered
13 error: aborting due to 2 previous errors
15 For more information about this error, try `rustc --explain E0005`.