mirror of https://github.com/rust-lang/rust
32 lines
623 B
Rust
32 lines
623 B
Rust
//@ check-pass
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#![feature(const_trait_impl, effects)]
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struct S;
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impl const PartialEq for S {
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fn eq(&self, _: &S) -> bool {
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true
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}
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fn ne(&self, other: &S) -> bool {
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!self.eq(other)
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}
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}
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// This duplicate bound should not result in ambiguities. It should be equivalent to a single ~const
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// bound.
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const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
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*t == *t
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}
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trait A: PartialEq {}
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impl<T: PartialEq> A for T {}
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const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
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*t == *t
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}
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pub const EQ: bool = equals_self(&S) && equals_self2(&S);
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fn main() {}
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