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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.commons.lang3.function;

import java.util.function.Consumer;
import java.util.function.Function;

/**
 * Provides {@link Consumer} instances.
 *
 * @since 3.13.0
 */
public class Consumers {

    /** NOP singleton. */
    @SuppressWarnings("rawtypes")
    private static final Consumer NOP = Function.identity()::apply;

    private Consumers() {
        // No instances.
    }

    /**
     * Gets the NOP Consumer singleton.
     *
     * @param  type type to consume.
     * @return the NOP Consumer singleton..
     */
    @SuppressWarnings("unchecked")
    public static  Consumer nop() {
        return NOP;
    }

}