Function selectors::parser::parse_has

fn parse_has<'i, 't, P, Impl>(
    parser: &P,
    input: &mut Parser<'i, 't>,
    state: SelectorParsingState
) -> Result<Component<Impl>, ParseError<'i, P::Error>>where
    P: Parser<'i, Impl = Impl>,
    Impl: SelectorImpl,