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Implement #[define_opaque] attribute for functions.

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This commit is contained in:
Oli Scherer
2024-07-26 10:04:02 +00:00
committed by Oli Scherer
parent 540565e5b9
commit d9de94001a
1 changed files with 14 additions and 16 deletions
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4
example/issue-72793.rs
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@@ -2,7 +2,6 @@
#![feature(type_alias_impl_trait)] #![feature(type_alias_impl_trait)]
mod helper {
pub trait T { pub trait T {
type Item; type Item;
} }
@@ -14,11 +13,10 @@ mod helper {
type Item = &'a (); type Item = &'a ();
} }
#[define_opaque(Alias)]
pub fn filter_positive<'a>() -> Alias<'a> { pub fn filter_positive<'a>() -> Alias<'a> {
&S &S
} }
}
use helper::*;
fn with_positive(fun: impl Fn(Alias<'_>)) { fn with_positive(fun: impl Fn(Alias<'_>)) {
fun(filter_positive()); fun(filter_positive());