{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
                let switch_ty = discr.ty(self.body, tcx);
            TerminatorKind::SwitchInt { discr, .. } => {
                if !switch_ty.is_integral() && !switch_ty.is_char() && !switch_ty.is_bool() {