diff options
Diffstat (limited to 'src/test/ui/structs-enums/newtype-struct-drop-run.rs')
-rw-r--r-- | src/test/ui/structs-enums/newtype-struct-drop-run.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/newtype-struct-drop-run.rs b/src/test/ui/structs-enums/newtype-struct-drop-run.rs new file mode 100644 index 000000000..0754f3187 --- /dev/null +++ b/src/test/ui/structs-enums/newtype-struct-drop-run.rs @@ -0,0 +1,21 @@ +// run-pass +// Make sure the destructor is run for newtype structs. + +use std::cell::Cell; + +struct Foo<'a>(&'a Cell<isize>); + +impl<'a> Drop for Foo<'a> { + fn drop(&mut self) { + let Foo(i) = *self; + i.set(23); + } +} + +pub fn main() { + let y = &Cell::new(32); + { + let _x = Foo(y); + } + assert_eq!(y.get(), 23); +} |