diff options
Diffstat (limited to 'tests/ui/or-patterns/exhaustiveness-non-exhaustive.rs')
-rw-r--r-- | tests/ui/or-patterns/exhaustiveness-non-exhaustive.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/or-patterns/exhaustiveness-non-exhaustive.rs b/tests/ui/or-patterns/exhaustiveness-non-exhaustive.rs new file mode 100644 index 000000000..5999e04e0 --- /dev/null +++ b/tests/ui/or-patterns/exhaustiveness-non-exhaustive.rs @@ -0,0 +1,17 @@ +#![deny(unreachable_patterns)] + +// We wrap patterns in a tuple because top-level or-patterns were special-cased. +fn main() { + match (0u8, 0u8) { + //~^ ERROR non-exhaustive patterns: `(2_u8..=u8::MAX, _)` + (0 | 1, 2 | 3) => {} + } + match ((0u8,),) { + //~^ ERROR non-exhaustive patterns: `((4_u8..=u8::MAX))` + ((0 | 1,) | (2 | 3,),) => {} + } + match (Some(0u8),) { + //~^ ERROR non-exhaustive patterns: `(Some(2_u8..=u8::MAX))` + (None | Some(0 | 1),) => {} + } +} |