syntax_data: {"ast_node_type":"variable","tokens":[{"end":33,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let other = other.data();
context_before:         let span = self.data();
context_after:         if span.lo < other.lo { Some(span.with_hi(cmp::min(span.hi, other.lo))) } else { None }