diff options
Diffstat (limited to 'tests/ui/rfcs/rfc-2008-non-exhaustive/uninhabited/match.rs')
-rw-r--r-- | tests/ui/rfcs/rfc-2008-non-exhaustive/uninhabited/match.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2008-non-exhaustive/uninhabited/match.rs b/tests/ui/rfcs/rfc-2008-non-exhaustive/uninhabited/match.rs new file mode 100644 index 000000000..e54098d4d --- /dev/null +++ b/tests/ui/rfcs/rfc-2008-non-exhaustive/uninhabited/match.rs @@ -0,0 +1,34 @@ +// aux-build:uninhabited.rs +#![feature(never_type)] + +extern crate uninhabited; + +use uninhabited::{ + UninhabitedEnum, + UninhabitedStruct, + UninhabitedTupleStruct, + UninhabitedVariants, +}; + +struct A; + +// This test checks that an empty match on a non-exhaustive uninhabited type from an extern crate +// will not compile. + +fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A { + match x {} //~ ERROR non-exhaustive patterns +} + +fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A { + match x {} //~ ERROR non-exhaustive patterns +} + +fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A { + match x {} //~ ERROR non-exhaustive patterns +} + +fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A { + match x {} //~ ERROR non-exhaustive patterns +} + +fn main() {} |