mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 23:59:47 +00:00
67539c2faf
Change-Id: I318742cd4303d70c0625c9efd98bb01087aa5de4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150466 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
27 lines
670 B
Dart
27 lines
670 B
Dart
// Copyright (c) 2013, 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.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
void main() {
|
|
Expect.equals('', useParameterInClosure(1));
|
|
Expect.equals(43, updateParameterInClosure(1)());
|
|
}
|
|
|
|
String useParameterInClosure(arg1, {int? arg2}) {
|
|
if (arg1 is Map) {
|
|
return arg1.keys.map((key) => arg1[key]).first;
|
|
} else {
|
|
return '';
|
|
}
|
|
}
|
|
|
|
Function updateParameterInClosure(arg1) {
|
|
if (arg1 is Map) {
|
|
return () => arg1 = 42;
|
|
} else {
|
|
return () => arg1 = arg1 + 42;
|
|
}
|
|
}
|