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#![warn(clippy::derive_ord_xor_partial_ord)]
#![allow(clippy::unnecessary_wraps)]
#![allow(clippy::incorrect_partial_ord_impl_on_ord_type)]
use std::cmp::Ordering;
#[derive(PartialOrd, Ord, PartialEq, Eq)]
struct DeriveBoth;
impl PartialEq<u64> for DeriveBoth {
fn eq(&self, _: &u64) -> bool {
true
}
}
impl PartialOrd<u64> for DeriveBoth {
fn partial_cmp(&self, _: &u64) -> Option<Ordering> {
Some(Ordering::Equal)
}
}
#[derive(Ord, PartialEq, Eq)]
struct DeriveOrd;
impl PartialOrd for DeriveOrd {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(other.cmp(self))
}
}
#[derive(Ord, PartialEq, Eq)]
struct DeriveOrdWithExplicitTypeVariable;
impl PartialOrd<DeriveOrdWithExplicitTypeVariable> for DeriveOrdWithExplicitTypeVariable {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(other.cmp(self))
}
}
#[derive(PartialOrd, PartialEq, Eq)]
struct DerivePartialOrd;
impl std::cmp::Ord for DerivePartialOrd {
fn cmp(&self, other: &Self) -> Ordering {
Ordering::Less
}
}
#[derive(PartialOrd, PartialEq, Eq)]
struct ImplUserOrd;
trait Ord {}
// We don't want to lint on user-defined traits called `Ord`
impl Ord for ImplUserOrd {}
mod use_ord {
use std::cmp::{Ord, Ordering};
#[derive(PartialOrd, PartialEq, Eq)]
struct DerivePartialOrdInUseOrd;
impl Ord for DerivePartialOrdInUseOrd {
fn cmp(&self, other: &Self) -> Ordering {
Ordering::Less
}
}
}
fn main() {}
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