syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"(Err(Err::TypeError(_)),"}]}
source_snippet:                 (Err(Err::TypeError(_)), _) | (_, Err(Err::TypeError(_))) => {
context_before:             match (src, dst) {
context_after:                     Answer::No(Reason::TypeError)