Method sum

crates/css_ast/src/specificity.rs:28–34

(iter: I)

impl Sum for Specificity {
	fn sum<I: Iterator<Item = Specificity>>(iter: I) -> Specificity {
		let mut out = Specificity(0, 0, 0);
		for specificity in iter {
			out += specificity
		}
		out
	}
}