rust/tests/ui/const-generics/defaults/const-param-as-default-value.rs
2024-02-16 20:02:50 +00:00

22 lines
449 B
Rust

//@ run-pass
struct Foo<const N: usize, const M: usize = N>([u8; N], [u8; M]);
fn foo<const N: usize>() -> Foo<N> {
let x = [0; N];
Foo(x, x)
}
// To check that we actually apply the correct substs for const param defaults.
fn concrete_foo() -> Foo<13> {
Foo(Default::default(), Default::default())
}
fn main() {
let val = foo::<13>();
assert_eq!(val.0, val.1);
let val = concrete_foo();
assert_eq!(val.0, val.1);
}