rust/tests/ui/impl-trait/precise-capturing/bad-params.rs

fn missing() -> impl Sized + use<T> {}
//~^ ERROR cannot find type `T` in this scope

fn missing_self() -> impl Sized + use<Self> {}
//~^ ERROR cannot find type `Self` in this scope

struct MyType;
impl MyType {
    fn self_is_not_param() -> impl Sized + use<Self> {}
    //~^ ERROR `Self` can't be captured in `use<...>` precise captures list, since it is an alias
}

fn hello() -> impl Sized + use<hello> {}
//~^ ERROR expected type or const parameter in `use<...>` precise captures list, found function

fn main() {}