3 #![feature(const_generics)]
4 //~^ WARN the feature `const_generics` is incomplete
6 struct Foo<T, const N: usize>([T; N]);
8 impl<T, const N: usize> Foo<T, N> {
9 fn foo(&self) -> usize {
15 let foo = Foo([0u32; 21]);
16 assert_eq!(foo.0, [0u32; 21]);
17 assert_eq!(foo.foo(), 21);