javascalautils.VoidFunction0 Maven / Gradle / Ivy
/**
* Copyright 2016 Peter Nerg
*
* 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 javascalautils;
/**
* A FunctionalInterface that takes no parameters and has no return but is allowed to throw exceptions.
* The point is to be able to use in Try, Future clauses where one doesn't have an explicit return type.
* One can then use this interface to perform the side-effecting function and then automatically have Unit returned
* @author Peter Nerg
* @since 1.9
*/
@FunctionalInterface
public interface VoidFunction0 {
/**
* Applies this function.
*
* @throws Throwable
* Any error that may occur when applying the function
* @since 1.9
*/
void apply() throws Throwable;
}