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20 lines
380 B
Rust
20 lines
380 B
Rust
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// check-pass
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#![feature(const_trait_impl)]
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#![feature(const_precise_live_drops)]
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const fn foo<T, E>(res: Result<T, E>) -> Option<T> where E: ~const Drop {
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match res {
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Ok(t) => Some(t),
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Err(_e) => None,
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}
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}
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pub struct Foo<T>(T);
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const fn baz<T: ~const Drop, E: ~const Drop>(res: Result<Foo<T>, Foo<E>>) -> Option<Foo<T>> {
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foo(res)
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}
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fn main() {}
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