org.d2ab.function.CharUnaryOperator Maven / Gradle / Ivy
/*
* Copyright 2016 Daniel Skogquist Åborg
*
* 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 org.d2ab.function;
/**
*/
@FunctionalInterface
public interface CharUnaryOperator {
/**
* Apply this operator to the given {@code char}.
*/
char applyAsChar(char c);
/**
* @return a {@code CharUnaryOperator} that always returns the same result.
*/
static CharUnaryOperator identity() {
return c -> c;
}
/**
* Compose this operator with another operator, applying this operator to the result of the given operator.
*/
default CharUnaryOperator compose(CharUnaryOperator operator) {
return c -> applyAsChar(operator.applyAsChar(c));
}
/**
* Compose this operator with another operator, applying the given operator to the result of this operator.
*/
default CharUnaryOperator andThen(CharUnaryOperator operator) {
return c -> operator.applyAsChar(applyAsChar(c));
}
}