rust/tests/ui/rfcs/rfc-2632-const-trait-impl/call-const-trait-method-pass.rs
2024-02-16 20:02:50 +00:00

44 lines
708 B
Rust

//@ 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));
}