diff options
Diffstat (limited to 'tests/ui/rfcs/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.rs')
-rw-r--r-- | tests/ui/rfcs/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.rs b/tests/ui/rfcs/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.rs new file mode 100644 index 000000000..6f0d2b045 --- /dev/null +++ b/tests/ui/rfcs/rfc-0107-bind-by-move-pattern-guards/rfc-reject-double-move-across-arms.rs @@ -0,0 +1,24 @@ +#![feature(if_let_guard)] + +enum VecWrapper { A(Vec<i32>) } + +fn if_guard(x: VecWrapper) -> usize { + match x { + VecWrapper::A(v) if { drop(v); false } => 1, + //~^ ERROR cannot move out of `v` in pattern guard + VecWrapper::A(v) => v.len() + } +} + +fn if_let_guard(x: VecWrapper) -> usize { + match x { + VecWrapper::A(v) if let Some(()) = { drop(v); None } => 1, + //~^ ERROR cannot move out of `v` in pattern guard + VecWrapper::A(v) => v.len() + } +} + +fn main() { + if_guard(VecWrapper::A(vec![107])); + if_let_guard(VecWrapper::A(vec![107])); +} |