src/test/ui/ufcs/ufcs-qpath-missing-params.rs


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use std::borrow::Cow;

pub trait IntoCow<'a, B: ?Sized> where B: ToOwned {
    fn into_cow(self) -> Cow<'a, B>;
}

impl<'a> IntoCow<'a, str> for String {
    fn into_cow(self) -> Cow<'a, str> {
        Cow::Owned(self)
    }
}

fn main() {
    <String as IntoCow>::into_cow("foo".to_string());
    //~^ ERROR wrong number of type arguments: expected 1, found 0
}