rust/tests/ui/rfcs/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
2024-06-21 11:57:24 +00:00

33 lines
660 B
Rust

//@ known-bug: #110395
// FIXME(effects) check-pass
#![feature(const_trait_impl, effects)]
struct S;
impl const PartialEq for S {
fn eq(&self, _: &S) -> bool {
true
}
fn ne(&self, other: &S) -> bool {
!self.eq(other)
}
}
// This duplicate bound should not result in ambiguities. It should be equivalent to a single ~const
// bound.
const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
*t == *t
}
trait A: PartialEq {}
impl<T: PartialEq> A for T {}
const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
*t == *t
}
pub const EQ: bool = equals_self(&S) && equals_self2(&S);
fn main() {}