syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match self.nots.entry(expr_id) {
context_before:     fn visit_with_not_info(&mut self, thir: &Thir<'_>, expr_id: ExprId, not_info: NotInfo) {
context_after:             // This expression has already been marked by an enclosing `!`.