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#![no_main]
use std::cmp::Ordering;
// lint
#[derive(Eq, PartialEq)]
struct A(u32);
impl Ord for A {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl PartialOrd for A {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(self.cmp(other)) }
}
// do not lint
#[derive(Eq, PartialEq)]
struct B(u32);
impl Ord for B {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl PartialOrd for B {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
// lint, and give `_` a name
#[derive(Eq, PartialEq)]
struct C(u32);
impl Ord for C {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl PartialOrd for C {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(self.cmp(other)) }
}
// do not lint derived
#[derive(Eq, Ord, PartialEq, PartialOrd)]
struct D(u32);
// do not lint if ord is not manually implemented
#[derive(Eq, PartialEq)]
struct E(u32);
impl PartialOrd for E {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
todo!();
}
}
// do not lint since ord has more restrictive bounds
#[derive(Eq, PartialEq)]
struct Uwu<A>(A);
impl<A: std::fmt::Debug + Ord + PartialOrd> Ord for Uwu<A> {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl<A: Ord + PartialOrd> PartialOrd for Uwu<A> {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
todo!();
}
}
// do not lint since `Rhs` is not `Self`
#[derive(Eq, PartialEq)]
struct F(u32);
impl Ord for F {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl PartialOrd for F {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl PartialEq<u32> for F {
fn eq(&self, other: &u32) -> bool {
todo!();
}
}
impl PartialOrd<u32> for F {
fn partial_cmp(&self, other: &u32) -> Option<Ordering> {
todo!();
}
}
// #11178, do not lint
#[derive(Eq, PartialEq)]
struct G(u32);
impl Ord for G {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl PartialOrd for G {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(Self::cmp(self, other))
}
}
#[derive(Eq, PartialEq)]
struct H(u32);
impl Ord for H {
fn cmp(&self, other: &Self) -> Ordering {
todo!();
}
}
impl PartialOrd for H {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(Ord::cmp(self, other))
}
}
|
