#![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); impl Clone for Uwu { fn clone(&self) -> Self { Self(self.0) } fn clone_from(&mut self, source: &Self) { source.clone(); *self = source.clone(); } } impl Copy for Uwu {}