2 #![feature(const_evaluatable_checked)]
3 #![feature(const_generics)]
4 #![allow(incomplete_features)]
8 impl<const N: usize> Foo for [(); N] where Self: FooImpl<{ N == 0 }> {}
10 trait FooImpl<const IS_ZERO: bool> {}
12 impl FooImpl<{ 0u8 == 0u8 }> for [(); 0] {}
14 impl<const N: usize> FooImpl<{ 0u8 != 0u8 }> for [(); N] {}
16 fn foo<T: Foo>(_v: T) {}