fn ms(m: Matcher_) -> Matcher {
        Spanned {
            node: m.clone(),
            span: DUMMY_SP
        }
    }
// these spans won't matter, anyways
these spans won't matter, anyways
these spans won ' t matter anyways
fn ms(m: Matcher_) -> Matcher {
        Spanned {
            node: m.clone(),
            span: DUMMY_SP
        }
    }
fn ms ( m : Matcher_ ) -> Matcher { Spanned { node : m . clone ( ) , span : DUMMY_SP } }
these spans won't matter, anyways
these spans won ' t matter anyways
m
Matcher_
m
Matcher_