{"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"match"}]}
                match ty.kind() {
                let ty = self.infcx.tcx.type_of(self.mir_def_id()).instantiate_identity();
                    ty::FnDef(_, _) | ty::FnPtr(..) => self.annotate_fn_sig(