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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/union/issue-41073.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/union/issue-41073.rs b/src/test/ui/union/issue-41073.rs new file mode 100644 index 000000000..4dfdc606b --- /dev/null +++ b/src/test/ui/union/issue-41073.rs @@ -0,0 +1,22 @@ +union Test { + a: A, //~ ERROR unions cannot contain fields that may need dropping + b: B +} + +#[derive(Debug)] +struct A(i32); +impl Drop for A { + fn drop(&mut self) { println!("A"); } +} + +#[derive(Debug)] +struct B(f32); +impl Drop for B { + fn drop(&mut self) { println!("B"); } +} + +fn main() { + let mut test = Test { a: A(3) }; + println!("{:?}", unsafe { test.b }); + unsafe { test.b = B(0.5); } +} |