/*
 * Copyright 2010-2013 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package foo

fun run<T>(f: () -> T) = f()

class Foo {
    val OK = "OK";
    var result: String = ""
    {
        fun bar(s: String? = null) {
            if (s != null) {
                result = s
                return
            }

            run {
                bar(OK)
            }
        }
        bar();
    }

}

fun box(): String {
    return Foo().result
}