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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/span/dropck_misc_variants.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/span/dropck_misc_variants.rs')
-rw-r--r-- | src/test/ui/span/dropck_misc_variants.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/span/dropck_misc_variants.rs b/src/test/ui/span/dropck_misc_variants.rs new file mode 100644 index 000000000..5818a94bc --- /dev/null +++ b/src/test/ui/span/dropck_misc_variants.rs @@ -0,0 +1,37 @@ +// check that dropck does the right thing with misc. Ty variants + +use std::fmt; +struct NoisyDrop<T: fmt::Debug>(T); +impl<T: fmt::Debug> Drop for NoisyDrop<T> { + fn drop(&mut self) { + let _ = vec!["0wned"]; + println!("dropping {:?}", self.0) + } +} + +trait Associator { + type As; +} +impl<T: fmt::Debug> Associator for T { + type As = NoisyDrop<T>; +} +struct Wrap<A: Associator>(<A as Associator>::As); + +fn projection() { + let (_w, bomb); + bomb = vec![""]; + _w = Wrap::<&[&str]>(NoisyDrop(&bomb)); +} +//~^^ ERROR `bomb` does not live long enough + +fn closure() { + let (_w,v); + v = vec![""]; + _w = { + let u = NoisyDrop(&v); + //~^ ERROR `v` does not live long enough + move || u.0.len() + }; +} + +fn main() { closure(); projection() } |