rust/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits.rs

29 lines
412 B
Rust

// FIXME(effects) check-pass
//@ known-bug: #110395
//@ compile-flags: -Znext-solver
#![allow(incomplete_features)]
#![feature(const_trait_impl, effects)]
#[const_trait]
trait Foo {
fn a(&self);
}
#[const_trait]
trait Bar: ~const Foo {}
struct S;
impl const Foo for S {
fn a(&self) {}
}
impl const Bar for S {}
const fn foo<T: ~const Bar>(t: &T) {
t.a();
}
const _: () = foo(&S);
fn main() {}