Function selectors::parser::parse_is_where

source ยท 
fn parse_is_where<'i, 't, P, Impl>(
    parser: &P,
    input: &mut Parser<'i, 't>,
    state: SelectorParsingState,
    component: impl FnOnce(SelectorList<Impl>) -> Component<Impl>,
) -> Result<Component<Impl>, ParseError<'i, P::Error>>
where
    P: Parser<'i, Impl = Impl>,
    Impl: SelectorImpl,