/** * Copyright (c) 2016-present, RxJava Contributors. * * 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.reactivex.functions; import io.reactivex.annotations.NonNull; /** * A functional interface (callback) that takes a primitive value and return value of type T. * @param <T> the returned value type */ public interface IntFunction<T> { /** * Calculates a value based on a primitive integer input. * @param i the input value * @return the result Object * @throws Exception on error */ @NonNull T apply(int i) throws Exception; }