diff options
Diffstat (limited to 'src/test/ui/nll/maybe-initialized-drop-implicit-fragment-drop.rs')
-rw-r--r-- | src/test/ui/nll/maybe-initialized-drop-implicit-fragment-drop.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/nll/maybe-initialized-drop-implicit-fragment-drop.rs b/src/test/ui/nll/maybe-initialized-drop-implicit-fragment-drop.rs new file mode 100644 index 000000000..1de32ddf5 --- /dev/null +++ b/src/test/ui/nll/maybe-initialized-drop-implicit-fragment-drop.rs @@ -0,0 +1,19 @@ +struct Wrap<'p> { p: &'p mut i32 } + +impl<'p> Drop for Wrap<'p> { + fn drop(&mut self) { + *self.p += 1; + } +} + +struct Foo<'p> { a: String, b: Wrap<'p> } + +fn main() { + let mut x = 0; + let wrap = Wrap { p: &mut x }; + let s = String::from("str"); + let foo = Foo { a: s, b: wrap }; + std::mem::drop(foo.b); + x = 1; //~ ERROR cannot assign to `x` because it is borrowed [E0506] + // FIXME ^ Should not error in the future with implicit dtors, only manually implemented ones +} |