diff options
Diffstat (limited to 'src/test/ui/nll/maybe-initialized-drop-with-fragment.rs')
-rw-r--r-- | src/test/ui/nll/maybe-initialized-drop-with-fragment.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs b/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs new file mode 100644 index 000000000..778212918 --- /dev/null +++ b/src/test/ui/nll/maybe-initialized-drop-with-fragment.rs @@ -0,0 +1,20 @@ +#![allow(warnings)] + +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.a); + x = 1; //~ ERROR cannot assign to `x` because it is borrowed [E0506] +} |