rust/tests/ui/rfc-2632-const-trait-impl/const-drop-bound.rs
2023-01-11 09:32:08 +00:00

26 lines
440 B
Rust

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