blob: ae0c2e6bcfa413620339acd759423a83d51b70c3 (
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// known-bug: #110395
#![feature(const_trait_impl)]
struct Int(i32);
impl const std::ops::Add for Int {
type Output = Int;
fn add(self, rhs: Self) -> Self {
Int(self.0.plus(rhs.0))
}
}
impl const PartialEq for Int {
fn eq(&self, rhs: &Self) -> bool {
self.0 == rhs.0
}
fn ne(&self, other: &Self) -> bool {
!self.eq(other)
}
}
#[const_trait]
pub trait Plus {
fn plus(self, rhs: Self) -> Self;
}
impl const Plus for i32 {
fn plus(self, rhs: Self) -> Self {
self + rhs
}
}
pub const fn add_i32(a: i32, b: i32) -> i32 {
a.plus(b)
}
const ADD_INT: Int = Int(1i32) + Int(2i32);
fn main() {
assert!(ADD_INT == Int(3i32));
}
|