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sdk/tests/language_2/generic_local_functions_test.dart
T
Bob Nystrom 7a540d2f85 Remove VMOptions in tests for options that are now on by default.
Change-Id: Ic12edd3e76ba1f8b9fb096c96e310e7253cc6ac6
Reviewed-on: https://dart-review.googlesource.com/14722
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2017-10-19 16:19:16 +00:00

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834 B
Dart

// 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);
}