mirror of https://github.com/rust-lang/rust
69 lines
1.1 KiB
Rust
69 lines
1.1 KiB
Rust
//@ run-pass
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//! Regression test for #34426, regarding HRTB in drop impls
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// All of this Drop impls should compile.
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pub trait Lifetime<'a> {}
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impl<'a> Lifetime<'a> for i32 {}
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#[allow(dead_code)]
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struct Foo<L>
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where
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for<'a> L: Lifetime<'a>,
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{
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l: L,
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}
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impl<L> Drop for Foo<L>
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where
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for<'a> L: Lifetime<'a>,
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{
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fn drop(&mut self) {}
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}
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#[allow(dead_code)]
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struct Foo2<L>
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where
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for<'a> L: Lifetime<'a>,
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{
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l: L,
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}
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impl<T: for<'a> Lifetime<'a>> Drop for Foo2<T>
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where
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for<'x> T: Lifetime<'x>,
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{
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fn drop(&mut self) {}
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}
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pub trait Lifetime2<'a, 'b> {}
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impl<'a, 'b> Lifetime2<'a, 'b> for i32 {}
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#[allow(dead_code)]
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struct Bar<L>
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where
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for<'a, 'b> L: Lifetime2<'a, 'b>,
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{
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l: L,
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}
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impl<L> Drop for Bar<L>
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where
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for<'a, 'b> L: Lifetime2<'a, 'b>,
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{
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fn drop(&mut self) {}
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}
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#[allow(dead_code)]
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struct FnHolder<T: for<'a> Fn(&'a T, dyn for<'b> Lifetime2<'a, 'b>) -> u8>(T);
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impl<T: for<'a> Fn(&'a T, dyn for<'b> Lifetime2<'a, 'b>) -> u8> Drop for FnHolder<T> {
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fn drop(&mut self) {}
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}
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fn main() {
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let _foo = Foo { l: 0 };
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let _bar = Bar { l: 0 };
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}
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