John Messerly
41 lines
852 B
Dart
41 lines
852 B
Dart
// Copyright (c) 2011, 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 program testing closures.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
typedef T F<T>(T t);
|
|
|
|
class Parameterized<T> {
|
|
Parameterized() { }
|
|
T mul3(F f, T t) { return 3*f(t); }
|
|
T test(T t) {
|
|
return mul3((T t) { return 3*t; }, t);
|
|
}
|
|
}
|
|
|
|
class LocalFunction2Test {
|
|
static int f(int n) {
|
|
int a = 0;
|
|
var g = (int n) {
|
|
a += n;
|
|
return a;
|
|
};
|
|
var h = (int n) {
|
|
a += 10*n;
|
|
return a;
|
|
};
|
|
return g(n) + h(n);
|
|
}
|
|
|
|
static testMain() {
|
|
Expect.equals(3 + 33, f(3));
|
|
Expect.equals(9.0, new Parameterized<double>().test(1.0));
|
|
}
|
|
}
|
|
|
|
main() {
|
|
LocalFunction2Test.testMain();
|
|
}
|