|  | // Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | /// Dart test program const map literals. | 
|  |  | 
|  | class MapLiteral2NegativeTest<T> { | 
|  | test() { | 
|  | var m = const <String, T>{}; | 
|  | //                     ^ | 
|  | // [analyzer] COMPILE_TIME_ERROR.INVALID_TYPE_ARGUMENT_IN_CONST_LITERAL | 
|  | // [cfe] Type variables can't be used as constants. | 
|  | } | 
|  | } | 
|  |  | 
|  | main() { | 
|  | MapLiteral2NegativeTest<int>().test(); | 
|  | } |