blob: 691e7553a0952ef5e1bf8807ffb975130d0056ca [file] [log] [blame]
// run-rustfix
#[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: std::fmt::Display> Copy for Wrapper<OnlyCopyIfDisplay<S>> {}
//~^ ERROR the trait `Copy` may not be implemented for this type
fn main() {}