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Functional Programming for Java 8+ and compatible with the modular system of Java 9+.

There is a newer version: 0.5.10

/*
 * Copyright (C) 2021 iofairy, 
 *
 * 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.iofairy.lambda;

/**
 * Represents a predicate (boolean-valued function) of 4 arguments, and will throw exception

 * 表示一个接收 4个参数 并返回boolean值且抛出异常的函数
 *
 * @param  type of the 1st param.　第1个参数类型
 * @param  type of the 2nd param.　第2个参数类型
 * @param  type of the 3rd param.　第3个参数类型
 * @param  type of the 4th param.　第4个参数类型
 * @param   Throwable or subclass of Throwable.　Throwable类及其子类
 * @since 0.4.2
 */
@FunctionalInterface
public interface PT4 extends LambdaRT, Lambda4 {
    boolean $(T1 t1, T2 t2, T3 t3, T4 t4) throws E;
}