rust/tests/ui/rfcs/rfc-2632-const-trait-impl/const_derives/derive-const-use.rs

21 lines
377 B
Rust

//@ known-bug: #110395
#![feature(const_trait_impl, const_cmp, const_default_impls, derive_const, effects)]
pub struct A;
impl const Default for A {
fn default() -> A { A }
}
impl const PartialEq for A {
fn eq(&self, _: &A) -> bool { true }
}
#[derive_const(Default, PartialEq)]
pub struct S((), A);
const _: () = assert!(S((), A) == S::default());
fn main() {}