mirror of https://github.com/rust-lang/rust
44 lines
708 B
Rust
44 lines
708 B
Rust
//@ known-bug: #110395
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#![feature(const_trait_impl)]
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struct Int(i32);
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impl const std::ops::Add for Int {
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type Output = Int;
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fn add(self, rhs: Self) -> Self {
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Int(self.0.plus(rhs.0))
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}
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}
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impl const PartialEq for Int {
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fn eq(&self, rhs: &Self) -> bool {
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self.0 == rhs.0
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}
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fn ne(&self, other: &Self) -> bool {
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!self.eq(other)
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}
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}
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#[const_trait]
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pub trait Plus {
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fn plus(self, rhs: Self) -> Self;
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}
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impl const Plus for i32 {
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fn plus(self, rhs: Self) -> Self {
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self + rhs
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}
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}
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pub const fn add_i32(a: i32, b: i32) -> i32 {
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a.plus(b)
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}
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const ADD_INT: Int = Int(1i32) + Int(2i32);
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fn main() {
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assert!(ADD_INT == Int(3i32));
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}
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