syntax_data: {"ast_node_type":"other","tokens":[{"end":15,"kind":"keyword","start":0,"text":"//"}]}
source_snippet: // appropriate.
context_before: // Visitor for a thir body. This calls `check_match`, `check_let` and `check_let_chain` as
context_after: impl<'p, 'tcx> Visitor<'p, 'tcx> for MatchVisitor<'p, 'tcx> {