| // Copyright (c) 2016, 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 verifying that the parser can handle type parameterization of |
| /// local function declarations, and declarations of function parameters. |
| |
| library generic_local_functions_test; |
| |
| import "package:expect/expect.dart"; |
| |
| // Declare a generic function parameter. |
| int f(Y g<X, Y>(Map<X, Y> arg, X x)) => g<int, int>(<int, int>{1: 42}, 1); |
| |
| main() { |
| // Declare a generic local function |
| Y h<X, Y>(Map<X, Y> m, X x) => m[x]!; |
| // Pass a generic local function as an argument. |
| Expect.equals(f(h), 42); |
| // Pass a function expression as an argument. |
| Expect.equals(f(<X, Y>(Map<X, Y> m, X x) => m[x]!), 42); |
| } |