summaryrefslogtreecommitdiffstats
path: root/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/helloworld.rs
blob: e7ba0505d9b7153c1db1ddd812905f5e7b1a84fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// check-pass

// gate-test-effects
// ^ effects doesn't have a gate so we will trick tidy into thinking this is a gate test

#![feature(const_trait_impl, effects, rustc_attrs)]

// ensure we are passing in the correct host effect in always const contexts.

pub const fn hmm<T, #[rustc_host] const host: bool = true>() -> usize {
    if host {
        1
    } else {
        0
    }
}

const _: () = {
    let x = hmm::<()>();
    assert!(0 == x);
};

pub const fn uwu(x: [u8; hmm::<()>()]) {
    let [] = x;
}

fn main() {}