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#![allow(clippy::clone_on_copy, unused)]
#![no_main]
// lint
struct A(u32);
impl Clone for A {
fn clone(&self) -> Self {
Self(self.0)
}
fn clone_from(&mut self, source: &Self) {
source.clone();
*self = source.clone();
}
}
impl Copy for A {}
// do not lint
struct B(u32);
impl Clone for B {
fn clone(&self) -> Self {
*self
}
}
impl Copy for B {}
// do not lint derived (clone's implementation is `*self` here anyway)
#[derive(Clone, Copy)]
struct C(u32);
// do not lint derived (fr this time)
struct D(u32);
#[automatically_derived]
impl Clone for D {
fn clone(&self) -> Self {
Self(self.0)
}
fn clone_from(&mut self, source: &Self) {
source.clone();
*self = source.clone();
}
}
impl Copy for D {}
// do not lint if clone is not manually implemented
struct E(u32);
#[automatically_derived]
impl Clone for E {
fn clone(&self) -> Self {
Self(self.0)
}
fn clone_from(&mut self, source: &Self) {
source.clone();
*self = source.clone();
}
}
impl Copy for E {}
// lint since clone is not derived
#[derive(Copy)]
struct F(u32);
impl Clone for F {
fn clone(&self) -> Self {
Self(self.0)
}
fn clone_from(&mut self, source: &Self) {
source.clone();
*self = source.clone();
}
}
// do not lint since copy has more restrictive bounds
#[derive(Eq, PartialEq)]
struct Uwu<A: Copy>(A);
impl<A: Copy> Clone for Uwu<A> {
fn clone(&self) -> Self {
Self(self.0)
}
fn clone_from(&mut self, source: &Self) {
source.clone();
*self = source.clone();
}
}
impl<A: std::fmt::Debug + Copy + Clone> Copy for Uwu<A> {}
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