rust/tests/ui/const-generics/deref-into-array-generic.rs
2024-02-16 20:02:50 +00:00

28 lines
463 B
Rust

//@ check-pass
struct Test<T, const N: usize>([T; N]);
impl<T: Copy + Default, const N: usize> Default for Test<T, N> {
fn default() -> Self {
Self([T::default(); N])
}
}
impl<T, const N: usize> std::ops::Deref for Test<T, N> {
type Target = [T; N];
fn deref(&self) -> &[T; N] {
&self.0
}
}
fn test() -> Test<u64, 16> {
let test = Test::default();
println!("{}", test.len());
test
}
fn main() {
test();
}