{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
                let bm = typeck_results.extract_binding_mode(self.tcx().sess, p.hir_id, p.span);
                let typeck_results = self.fcx.typeck_results.borrow();
                self.typeck_results.pat_binding_modes_mut().insert(p.hir_id, bm);