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The module for FunctionalJ Core.

There is a newer version: 1.0.17

// ============================================================================
// Copyright (c) 2017-2021 Nawapunth Manusitthipol (NawaMan - http://nawaman.net)
// ----------------------------------------------------------------------------
// MIT License
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ============================================================================
package functionalj.function;

import java.util.function.BiFunction;


@FunctionalInterface
public interface DoubleDoubleFunction extends Func2 {
    
    public static  DoubleDoubleFunction of(DoubleDoubleFunction function) {
        return function;
        
    }
    public static  DoubleDoubleFunction from(BiFunction function) {
        return (function instanceof DoubleDoubleFunction)
                ? (DoubleDoubleFunction)function
                : ((d1, d2) -> function.apply(d1, d2));
    }
    
    //-- functionality --
    
    public TARGET applyDoubleDouble(double input1, double input2);
    
    public default TARGET apply(double input1, double input2) {
        return applyDoubleDouble(input1, input2);
    }
    
    
    //-- override functionality --
    
    @Override
    public default TARGET applyUnsafe(Double input1, Double input2) throws Exception {
        return applyDoubleDouble(input1, input2);
    }
}