dart-sdk/tests/web_2/closure_test.dart

// Copyright (c) 2012, 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 = 2.7

import "package:expect/expect.dart";

closure0() {
  var f = () {
    return 499;
  };
  Expect.equals(499, f());
}

class A {
  closure1() {
    var f = () {
      return 499;
    };
    Expect.equals(499, f());
  }
}

applyFun(f) {
  return f();
}

closure2() {
  Expect.equals(499, applyFun(() {
    return 499;
  }));
}

closure3() {
  var f = (x) {
    return 400 + x;
  };
  Expect.equals(499, f(99));
}

applyFun2(f) {
  return f(400, 99);
}

closure4() {
  Expect.equals(499, applyFun2((x, y) {
    return x + y;
  }));
}

main() {
  closure0();
  new A().closure1();
  closure2();
  closure3();
  closure4();
}