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/*
* Copyright (C) 2020-2024 Sebastiano Vigna
*
* 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 PACKAGE;
import java.util.function.BinaryOperator;
/** A type-specific {@link BinaryOperator}; provides methods operating both on objects
* and on primitives.
*
* @see BinaryOperator
* @since 8.5.0
*/
@FunctionalInterface
#if ! KEY_CLASS_Boolean
public interface KEY_BINARY_OPERATOR KEY_GENERIC extends BinaryOperator<KEY_GENERIC_CLASS>, JDK_PRIMITIVE_BINARY_OPERATOR {
#else
public interface KEY_BINARY_OPERATOR KEY_GENERIC extends BinaryOperator<KEY_GENERIC_CLASS> {
#endif
/**
* Computes the operator on the given inputs.
*
* @param x the first input.
* @param y the second input.
* @return the output of the operator on the given inputs.
*/
KEY_TYPE apply(KEY_TYPE x, KEY_TYPE y);
#if KEYS_INT_LONG_DOUBLE
/** {@inheritDoc}
*
* @implSpec This default implementation delegates to {@link #apply}.
* @deprecated Please use {@link #apply}.
*/
#else
/** {@inheritDoc}
*
* @implSpec This default implementation delegates to
* {@link #apply} after narrowing down the arguments to the
* actual key type, throwing an exception if the arguments cannot be
* represented in the restricted domain. This is done for interoperability
* with the Java 8 function environment. The use of this method discouraged, as
* unexpected errors can occur.
*
* @throws IllegalArgumentException If the given operands are not an element of the key domain.
* @since 8.5.0
* @deprecated Please use {@link #apply}.
*/
#endif
#if ! KEY_CLASS_Boolean
@Deprecated
@Override
default KEY_TYPE_WIDENED JDK_PRIMITIVE_BINARY_OPERATOR_APPLY(final KEY_TYPE_WIDENED x, final KEY_TYPE_WIDENED y) {
return apply(KEY_NARROWING(x), KEY_NARROWING(y));
}
#endif
/** {@inheritDoc}
* @deprecated Please use the corresponding type-specific method instead. */
@Deprecated
@Override
@SuppressWarnings("boxing")
default KEY_CLASS apply(final KEY_CLASS x, final KEY_CLASS y) {
return apply(x.KEY_VALUE(), y.KEY_VALUE());
}
}
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