| // Copyright (c) 2017, 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. |
| |
| /// @assertion E single |
| /// Checks that this iterable has only one element, and returns that element. |
| /// @description Checks that if iterable has only one element, it is returned. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2(v) => new Float64x2.splat(v); |
| |
| void check(List<Float64x2> list) { |
| var l = new Float64x2List.fromList(list); |
| Expect.equals(l[0].x, l.single.x); |
| Expect.equals(l[0].y, l.single.y); |
| } |
| |
| main() { |
| check([f64x2(1.0)]); |
| check([f64x2(25.0)]); |
| check([f64x2(125.0)]); |
| } |