rust/tests/ui/or-patterns/exhaustiveness-pass.rs
2023-01-11 09:32:08 +00:00

39 lines
733 B
Rust

#![deny(unreachable_patterns)]
// check-pass
// We wrap patterns in a tuple because top-level or-patterns were special-cased.
fn main() {
match (0,) {
(1 | 2,) => {}
_ => {}
}
match (0, 0) {
(1 | 2, 3 | 4) => {}
(1, 2) => {}
(3, 1) => {}
_ => {}
}
match (Some(0u8),) {
(None | Some(0 | 1),) => {}
(Some(2..=255),) => {}
}
match ((0,),) {
((0 | 1,) | (2 | 3,),) => {}
((_,),) => {}
}
match (&[0u8][..],) {
([] | [0 | 1..=255] | [_, ..],) => {}
}
match ((0, 0),) {
((0, 0) | (0, 1),) => {}
_ => {}
}
match ((0, 0),) {
((0, 0) | (1, 0),) => {}
_ => {}
}
}