rust/tests/ui/suggestions/missing-bound-in-manual-copy-impl-2.rs
2024-02-16 20:02:50 +00:00

21 lines
477 B
Rust

//@ run-rustfix
#![allow(dead_code)]
#[derive(Clone)]
struct Wrapper<T>(T);
struct OnlyCopyIfDisplay<T>(std::marker::PhantomData<T>);
impl<T: std::fmt::Display> Clone for OnlyCopyIfDisplay<T> {
fn clone(&self) -> Self {
OnlyCopyIfDisplay(std::marker::PhantomData)
}
}
impl<T: std::fmt::Display> Copy for OnlyCopyIfDisplay<T> {}
impl<S> Copy for Wrapper<OnlyCopyIfDisplay<S>> {}
//~^ ERROR the trait `Copy` cannot be implemented for this type
fn main() {}