| // 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. |
| |
| /// @assertion Any expression of the form e1(args) or e1<types>(args) where e1 |
| /// does not denote a method, and where the static type of e1 is not a function |
| /// type, an interface type declaring a call method, or dynamic, will currently |
| /// be a compile-time error. If the static type of e1 is an interface type |
| /// declaring a call getter, then this stays a compile-time error. Otherwise we |
| /// check for extensions applying to the static type of e1 and declaring a call |
| /// member. If one such most specific extension exists, and it declares a call |
| /// extension method, then the expression is equivalent to e1.call(args) or |
| /// e1.call<typeS>(args). Otherwise it is still a compile-time error. |
| /// |
| /// @description Check that the most specific extension with the 'call' method is |
| /// taken |
| /// @author sgrekhov@unipro.ru |
| |
| |
| import "../../Utils/expect.dart"; |
| |
| extension on int { |
| String call(num v) => "My name is int($v)"; |
| } |
| |
| extension on num { |
| String call(num v) => "My name is num($v)"; |
| } |
| |
| main() { |
| Expect.equals("My name is int(10)", 1(10)); |
| Expect.equals("My name is int(3.14)", 1(3.14)); |
| Expect.equals("My name is num(10)", 1.0(10)); |
| Expect.equals("My name is num(3.14)", 1.0(3.14)); |
| } |