Robert Nystrom
2bf3259005
Change-Id: I582fa00eb713282c3bd6fc1607efc0242ce9076f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/146686 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
23 lines
836 B
Dart
23 lines
836 B
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// Dart test verifying that the parser can handle type parameterization of
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/// local function declarations, and declarations of function parameters.
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library generic_local_functions_test;
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import "package:expect/expect.dart";
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// Declare a generic function parameter.
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int f(Y g<X, Y>(Map<X, Y> arg, X x)) => g<int, int>(<int, int>{1: 42}, 1);
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main() {
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// Declare a generic local function
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Y h<X, Y>(Map<X, Y> m, X x) => m[x]!;
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// Pass a generic local function as an argument.
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Expect.equals(f(h), 42);
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// Pass a function expression as an argument.
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Expect.equals(f(<X, Y>(Map<X, Y> m, X x) => m[x]!), 42);
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}
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