org.d2ab.function.CharBiPredicate 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;
import java.util.function.BiPredicate;
/**
* A specialization of {@link BiPredicate} for {@code char} values.
*/
@FunctionalInterface
public interface CharBiPredicate {
/**
* Test this predicate against the given two {@code char}s.
*/
boolean test(char x1, char x2);
/**
* Negate this predicate, returning a predicate that always returns the opposite values.
*/
default CharBiPredicate negate() {
return (x1, x2) -> !test(x1, x2);
}
/**
* Combine this predicate with another predicate using "{@code and}" boolean logic.
*/
default CharBiPredicate and(CharBiPredicate predicate) {
return (x1, x2) -> test(x1, x2) && predicate.test(x1, x2);
}
/**
* Combine this predicate with another predicate using "{@code or}" boolean logic.
*/
default CharBiPredicate or(CharBiPredicate predicate) {
return (x1, x2) -> test(x1, x2) || predicate.test(x1, x2);
}
}