diff options
Diffstat (limited to 'src/test/ui/regions/regions-return-interior-of-option.rs')
-rw-r--r-- | src/test/ui/regions/regions-return-interior-of-option.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-return-interior-of-option.rs b/src/test/ui/regions/regions-return-interior-of-option.rs new file mode 100644 index 000000000..2dc91ec84 --- /dev/null +++ b/src/test/ui/regions/regions-return-interior-of-option.rs @@ -0,0 +1,24 @@ +// run-pass + +fn get<T>(opt: &Option<T>) -> &T { + match *opt { + Some(ref v) => v, + None => panic!("none") + } +} + +pub fn main() { + let mut x = Some(23); + + { + let y = get(&x); + assert_eq!(*y, 23); + } + + x = Some(24); + + { + let y = get(&x); + assert_eq!(*y, 24); + } +} |