syntax_data: {"ast_node_type":"variable","tokens":[{"end":61,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let body_def_id = self.tcx.hir_body_owner_def_id(id);
context_before:     fn visit_nested_body(&mut self, id: hir::BodyId) {
context_after:         if self.tcx.typeck_root_def_id(body_def_id.to_def_id()) == self.root_def_id {