diff options
Diffstat (limited to 'tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs')
-rw-r--r-- | tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs b/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs new file mode 100644 index 000000000..be775b37f --- /dev/null +++ b/tests/ui/rfc-2008-non-exhaustive/borrowck-exhaustive.rs @@ -0,0 +1,42 @@ +// Test that the borrow checker doesn't consider checking an exhaustive pattern +// as an access. + +// check-pass + +// aux-build:monovariants.rs +extern crate monovariants; + +use monovariants::ExhaustiveMonovariant; + +enum Local { + Variant(u32), +} + +#[non_exhaustive] +enum LocalNonExhaustive { + Variant(u32), +} + +fn main() { + let mut x = ExhaustiveMonovariant::Variant(1); + let y = &mut x; + match x { + ExhaustiveMonovariant::Variant(_) => {}, + _ => {}, + } + drop(y); + let mut x = Local::Variant(1); + let y = &mut x; + match x { + Local::Variant(_) => {}, + _ => {}, + } + drop(y); + let mut x = LocalNonExhaustive::Variant(1); + let y = &mut x; + match x { + LocalNonExhaustive::Variant(_) => {}, + _ => {}, + } + drop(y); +} |