2 #![feature(staged_api)]
4 #![feature(const_generics)]
5 #![feature(const_generics_defaults)]
6 #![allow(incomplete_features)]
8 #![stable(feature = "const_default_test", since="none")]
11 #[unstable(feature = "const_default_stable", issue="none")]
12 pub struct ConstDefaultUnstable<const N: usize = 3>;
14 #[stable(feature = "const_default_unstable", since="none")]
15 pub struct ConstDefaultStable<const N: usize = {
16 #[stable(feature = "const_default_unstable_val", since="none")]