syntax_data: {"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let d1 = edit_distance(s1.as_str(), r1.as_str(), usize::MAX).unwrap();
context_before:         .min_by(|(s1, r1), (s2, r2)| {
context_after:             let d2 = edit_distance(s2.as_str(), r2.as_str(), usize::MAX).unwrap();