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/*
* ================================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
*/
package org.onap.dcae.analytics.model.util.function;
import java.util.function.BiFunction;
import java.util.function.Function;
/**
* A BiFunction extension which extends {@link BiFunction} to support additional functional
* concepts like currying
*
* @param <T> the type of the first argument to the function
* @param <U> the type of the second argument to the function
* @param <R> the type of the result of the function
*/
public interface BiFunctionExtension<T, U, R> extends BiFunction<T, U, R> {
/**
* Returns a {@link Function} which takes one argument
*
* @param t Bi Function first param
*
* @return Function which takes another argument
*/
default Function<U, R> curry(T t) {
return (U u) -> apply(t, u);
}
}
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