Method parse

crates/css_ast/src/functions/color_function.rs:54–62

(p: &mut Parser<'a, I>)

impl<'a> Parse<'a> for CommaOrSlash {
	fn parse<I>(p: &mut Parser<'a, I>) -> ParserResult<Self>
	where
		I: Iterator<Item = Cursor> + Clone,
	{
		if !p.peek::<Self>() {
			Err(Diagnostic::new(p.next(), Diagnostic::unexpected))?
		}
		Ok(Self(p.next()))
	}
}

/// <https://drafts.csswg.org/css-color/#typedef-color-function>