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//@ edition:2021
pub trait Trait<'a, T> {}
pub struct Struct<T>;
//~^ ERROR `T` is never used
pub enum Enum<T> {}
//~^ ERROR `T` is never used
pub union Union<T> {
//~^ ERROR `T` is never used
f1: usize,
}
impl<'a, T> Struct<T> for Trait<'a, T> {}
//~^ ERROR expected trait, found struct `Struct`
//~| ERROR expected a type, found a trait
impl<'a, T> Enum<T> for Trait<'a, T> {}
//~^ ERROR expected trait, found enum `Enum`
//~| ERROR expected a type, found a trait
impl<'a, T> Union<T> for Trait<'a, T> {}
//~^ ERROR expected trait, found union `Union`
//~| ERROR expected a type, found a trait
fn main() {}
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