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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/dropck/dropck_traits.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/dropck/dropck_traits.rs')
-rw-r--r-- | src/test/ui/dropck/dropck_traits.rs | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/test/ui/dropck/dropck_traits.rs b/src/test/ui/dropck/dropck_traits.rs new file mode 100644 index 000000000..98e8e88a2 --- /dev/null +++ b/src/test/ui/dropck/dropck_traits.rs @@ -0,0 +1,68 @@ +// run-pass +//! Regression test for #34426, regarding HRTB in drop impls + +// All of this Drop impls should compile. + +pub trait Lifetime<'a> {} +impl<'a> Lifetime<'a> for i32 {} + +#[allow(dead_code)] +struct Foo<L> +where + for<'a> L: Lifetime<'a>, +{ + l: L, +} + +impl<L> Drop for Foo<L> +where + for<'a> L: Lifetime<'a>, +{ + fn drop(&mut self) {} +} + +#[allow(dead_code)] +struct Foo2<L> +where + for<'a> L: Lifetime<'a>, +{ + l: L, +} + +impl<T: for<'a> Lifetime<'a>> Drop for Foo2<T> +where + for<'x> T: Lifetime<'x>, +{ + fn drop(&mut self) {} +} + +pub trait Lifetime2<'a, 'b> {} +impl<'a, 'b> Lifetime2<'a, 'b> for i32 {} + +#[allow(dead_code)] +struct Bar<L> +where + for<'a, 'b> L: Lifetime2<'a, 'b>, +{ + l: L, +} + +impl<L> Drop for Bar<L> +where + for<'a, 'b> L: Lifetime2<'a, 'b>, +{ + fn drop(&mut self) {} +} + +#[allow(dead_code)] +struct FnHolder<T: for<'a> Fn(&'a T, dyn for<'b> Lifetime2<'a, 'b>) -> u8>(T); + +impl<T: for<'a> Fn(&'a T, dyn for<'b> Lifetime2<'a, 'b>) -> u8> Drop for FnHolder<T> { + fn drop(&mut self) {} +} + +fn main() { + let _foo = Foo { l: 0 }; + + let _bar = Bar { l: 0 }; +} |