rust/src/test/ui/const-generics/const-generic-array-wrapper.rs
2020-08-12 08:30:17 +00:00

20 lines
410 B
Rust

// run-pass
// revisions: full min
#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]
struct Foo<T, const N: usize>([T; N]);
impl<T, const N: usize> Foo<T, N> {
fn foo(&self) -> usize {
N
}
}
fn main() {
let foo = Foo([0u32; 21]);
assert_eq!(foo.0, [0u32; 21]);
assert_eq!(foo.foo(), 21);
}