syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"MatchPairTree::for_pattern(place,"}]}
source_snippet:             MatchPairTree::for_pattern(place, subpattern, self, match_pairs, extra_data)
context_before:             let place = place.clone_project(elem);
context_after:         }