syntax_data: {"ast_node_type":"variable","tokens":[{"end":39,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let mut maybe_live = false;
context_before:         if let LookupResult::Exact(path) = self.move_data().rev_lookup.find(place.as_ref()) {
context_after:             on_all_children_bits(self.move_data(), path, |child| {