rust/tests/ui/const-generics/trait-const-args.rs

28 lines
405 B
Rust

//@ check-pass
struct Const<const N: usize>;
trait Foo<const N: usize> {}
impl<const N: usize> Foo<N> for Const<N> {}
fn foo_impl(_: impl Foo<3>) {}
fn foo_explicit<T: Foo<3>>(_: T) {}
fn foo_where<T>(_: T)
where
T: Foo<3>,
{
}
fn main() {
foo_impl(Const);
foo_impl(Const::<3>);
foo_explicit(Const);
foo_explicit(Const::<3>);
foo_where(Const);
foo_where(Const::<3>);
}