{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
                if maybe_eq_tok == TokenKind::Eq && maybe_eq_tok.span.hi() == lt_span.lo() {
                // directly adjacent (i.e. '=<')
                    let eq_lt = maybe_eq_tok.span.to(lt_span);