98 lines
1.5 KiB
Rust
98 lines
1.5 KiB
Rust
#![allow(clippy::clone_on_copy, unused)]
|
|
#![allow(clippy::assigning_clones)]
|
|
#![no_main]
|
|
|
|
// lint
|
|
|
|
struct A(u32);
|
|
|
|
impl Clone for A {
|
|
fn clone(&self) -> Self { *self }
|
|
|
|
|
|
}
|
|
|
|
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 }
|
|
|
|
|
|
}
|
|
|
|
// 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> {}
|