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Durian - Guava's spikier (unofficial) cousin

There is a newer version: 3.4.0

/**
 * Copyright 2015 DiffPlug
 *
 * 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 com.diffplug.common.base;

/**
 * Versions of the standard functional interfaces which throw Throwable.
 *
 * ErrorHandler can convert these into standard functional interfaces.
 */
public interface Throwing {
	/** Versions of the standard functional interfaces which throw a specific exception type. */
	public interface Specific {
		@FunctionalInterface
		public interface Runnable {
			void run() throws E;
		}

		@FunctionalInterface
		public interface Supplier {
			T get() throws E;
		}

		@FunctionalInterface
		public interface Consumer {
			void accept(T t) throws E;
		}

		@FunctionalInterface
		public interface Function {
			R apply(T t) throws E;
		}

		@FunctionalInterface
		public interface Predicate {
			boolean test(T t) throws E;
		}
	}

	@FunctionalInterface
	public interface Runnable extends Specific.Runnable {}

	@FunctionalInterface
	public interface Supplier extends Specific.Supplier {}

	@FunctionalInterface
	public interface Consumer extends Specific.Consumer {}

	@FunctionalInterface
	public interface Function extends Specific.Function {}

	@FunctionalInterface
	public interface Predicate extends Specific.Predicate {}
}