| // Copyright (c) 2015, 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. |
| |
| /// Utility functions. |
| |
| /// Ignore an argument. |
| /// |
| /// Can be used to drop the result of a future like `future.then(ignore)`. |
| void ignore(_) {} |
| |
| /// Create a single-element fixed-length list. |
| List<Object> list1(Object v1) => new List(1)..[0] = v1; |
| |
| /// Create a two-element fixed-length list. |
| List<Object> list2(Object v1, Object v2) => new List(2) |
| ..[0] = v1 |
| ..[1] = v2; |
| |
| /// Create a three-element fixed-length list. |
| List<Object> list3(Object v1, Object v2, Object v3) => new List(3) |
| ..[0] = v1 |
| ..[1] = v2 |
| ..[2] = v3; |
| |
| /// Create a four-element fixed-length list. |
| List<Object> list4(Object v1, Object v2, Object v3, Object v4) => new List(4) |
| ..[0] = v1 |
| ..[1] = v2 |
| ..[2] = v3 |
| ..[3] = v4; |
| |
| /// Create a five-element fixed-length list. |
| List<Object> list5(Object v1, Object v2, Object v3, Object v4, Object v5) => |
| new List(5) |
| ..[0] = v1 |
| ..[1] = v2 |
| ..[2] = v3 |
| ..[3] = v4 |
| ..[4] = v5; |