os-rust/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-assoc-fn-in-trait-impl.rs
2024-02-16 20:02:50 +00:00

29 lines
470 B
Rust

// Regression test for issue #119700.
//@ check-pass
#![feature(const_trait_impl, effects)]
#[const_trait]
trait Main {
fn compute<T: ~const Aux>() -> u32;
}
impl const Main for () {
fn compute<T: ~const Aux>() -> u32 {
T::generate()
}
}
#[const_trait]
trait Aux {
fn generate() -> u32;
}
impl const Aux for () {
fn generate() -> u32 { 1024 }
}
fn main() {
const _: u32 = <()>::compute::<()>();
let _ = <()>::compute::<()>();
}