File: const-param-as-default-value.rs

package info (click to toggle)
rustc-web 1.70.0%2Bdfsg1-7~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,517,036 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,006; asm: 2,856
file content (21 lines) | stat: -rw-r--r-- 448 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
// 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);
}