rust/tests/ui/const-generics/const-param-with-additional...

18 lines
422 B
Rust

#![feature(adt_const_params)]
#![allow(incomplete_features)]
use std::marker::ConstParamTy;
#[derive(Eq, PartialEq)]
struct Foo<T>(T);
trait Other {}
impl<T> ConstParamTy for Foo<T> where T: Other + ConstParamTy {}
fn foo<const N: Foo<u8>>() {}
//~^ ERROR `Foo<u8>` must implement `ConstParamTy` to be used as the type of a const generic parameter
//~| NOTE `u8` must implement `Other`, but it does not
fn main() {}