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#![allow(clippy::derive_partial_eq_without_eq)]
#[derive(PartialEq, Hash)]
struct Foo;
impl PartialEq<u64> for Foo {
fn eq(&self, _: &u64) -> bool {
true
}
}
#[derive(Hash)]
//~^ ERROR: you are deriving `Hash` but have implemented `PartialEq` explicitly
struct Bar;
impl PartialEq for Bar {
fn eq(&self, _: &Bar) -> bool {
true
}
}
#[derive(Hash)]
//~^ ERROR: you are deriving `Hash` but have implemented `PartialEq` explicitly
struct Baz;
impl PartialEq<Baz> for Baz {
fn eq(&self, _: &Baz) -> bool {
true
}
}
// Implementing `Hash` with a derived `PartialEq` is fine. See #2627
#[derive(PartialEq)]
struct Bah;
impl std::hash::Hash for Bah {
fn hash<H: std::hash::Hasher>(&self, _: &mut H) {}
}
fn main() {}
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