rust/tests/ui/const-generics/where-clauses.rs
2024-02-16 20:02:50 +00:00

31 lines
616 B
Rust

//@ check-pass
trait Bar<const N: usize> { fn bar() {} }
trait Foo<const N: usize>: Bar<N> {}
fn test<T, const N: usize>() where T: Foo<N> {
<T as Bar<N>>::bar();
}
struct Faz<const N: usize>;
impl<const N: usize> Faz<N> {
fn test<T>() where T: Foo<N> {
<T as Bar<N>>::bar()
}
}
trait Fiz<const N: usize> {
fn fiz<T>() where T: Foo<N> {
<T as Bar<N>>::bar();
}
}
impl<const N: usize> Bar<N> for u8 {}
impl<const N: usize> Foo<N> for u8 {}
impl<const N: usize> Fiz<N> for u8 {}
fn main() {
test::<u8, 13>();
Faz::<3>::test::<u8>();
<u8 as Fiz<13>>::fiz::<u8>();
}