syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"(u8,"}]}
source_snippet:             (u8, bool, false, Answer::No(Reason::DstIsBitIncompatible)),
context_before:             (bool, u8, true, Answer::Yes),
context_after:             (u8, bool, true, Answer::Yes),