syntax_data: {"ast_node_type":"other","tokens":[{"end":106,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // literal's type in `const_to_pat`: if the literal `b"..."` matches on a slice reference,
context_before:                 // We handle byte string literal patterns by using the pattern's type instead of the
context_after:                 // the pattern's type will be `&[u8]` whereas the literal's type is `&[u8; 3]`; using the