syntax_data: {"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match r.kind() {
context_before:     fn fold_region(&mut self, r: I::Region) -> I::Region {
context_after:             ty::ReBound(debruijn, _) if debruijn < self.current_index => {