rust/tests/ui/async-await/in-trait/generics-mismatch.rs

// edition: 2021

#![allow(incomplete_features)]

trait Foo {
    async fn foo<T>();
}

impl Foo for () {
    async fn foo<const N: usize>() {}
    //~^ ERROR: method `foo` has an incompatible generic parameter for trait `Foo` [E0053]
}

fn main() {}