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trait Shadow<'a> {
type Bar<'a>;
//~^ ERROR lifetime name `'a` shadows a lifetime name that is already in scope
}
trait NoShadow<'a> {
type Bar<'b>; // OK
}
impl<'a> NoShadow<'a> for &'a u32 {
type Bar<'a> = i32;
//~^ ERROR lifetime name `'a` shadows a lifetime name that is already in scope
}
trait ShadowT<T> {
type Bar<T>;
//~^ ERROR the name `T` is already used
}
trait NoShadowT<T> {
type Bar<U>; // OK
}
impl<T> NoShadowT<T> for Option<T> {
type Bar<T> = i32;
//~^ ERROR the name `T` is already used
}
fn main() {}
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