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Diffstat (limited to 'src/main/java/org/apache/commons/lang3/function/Consumers.java')
-rw-r--r-- | src/main/java/org/apache/commons/lang3/function/Consumers.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/lang3/function/Consumers.java b/src/main/java/org/apache/commons/lang3/function/Consumers.java new file mode 100644 index 000000000..19b5efd9e --- /dev/null +++ b/src/main/java/org/apache/commons/lang3/function/Consumers.java @@ -0,0 +1,49 @@ +/* + * 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 <T> type type to consume. + * @return the NOP Consumer singleton.. + */ + @SuppressWarnings("unchecked") + public static <T> Consumer<T> nop() { + return NOP; + } + +} |