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A convenient way to organize asynchronous code. Promises are a faster and more efficient version of JavaScript's Promise and Java's CompletionStage's.

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/*
 * Copyright (C) 2020 ActiveJ LLC.
 *
 * 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 io.activej.async.function;

import io.activej.promise.Promise;

/**
 * Represents an asynchronous consumer that consumes data items.
 */
@FunctionalInterface
public interface AsyncConsumerEx {
	/**
	 * Consumes some data asynchronously.
	 *
	 * @param value value to be consumed
	 * @return {@link Promise} of {@link Void} that represents successful consumption of data
	 */
	Promise accept(T value) throws Exception;
}