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/**
 * 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.
 *
 * Copyright 2012-2016 the original author or authors.
 */
package com.fitbur.assertj.api.iterable;

import com.fitbur.assertj.api.ListAssert;
import com.fitbur.assertj.api.ObjectArrayAssert;

/**
 * Function converting an element to another element. Used in {@link ListAssert#extracting(Extractor)} and
 * {@link ObjectArrayAssert#extracting(Extractor)}.
 * 
 * @author Mateusz Haligowski
 *
 * @param  type of element from which the conversion happens
 * @param  target element type
 */
public interface Extractor {
  T extract(F input);
}