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// ============================================================================
// Copyright (c) 2017-2019 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
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// 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.tuple;

import static functionalj.function.Absent.__;
import static functionalj.function.Func.it;
import static functionalj.tuple.Keep.keep;

import java.lang.reflect.Array;
import java.util.function.Function;

import functionalj.function.Absent;
import functionalj.function.Func2;
import functionalj.function.Func3;
import functionalj.function.Func4;
import functionalj.list.FuncList;
import functionalj.map.FuncMap;
import functionalj.map.ImmutableMap;
import functionalj.pipeable.Pipeable;
import lombok.val;

@SuppressWarnings("javadoc")
public interface Tuple4 extends Pipeable> {
    
    public static  Tuple4 of(T1 _1, T2 _2, T3 _3, T4 _4) {
        return new ImmutableTuple4<>(_1, _2, _3, _4);
    }
    
    public T1 _1();
    public T2 _2();
    public T3 _3();
    public T4 _4();
    
    @Override
    public default Tuple4 __data() {
        return this;
    }
    
    public default ImmutableTuple4 toImmutableTuple() {
        return ImmutableTuple.of(this);
    }
    
    public default Object[] toArray() {
        val _1 = _1();
        val _2 = _2();
        val _3 = _3();
        val _4 = _4();
        return new Object[] { _1, _2, _3, _4 };
    }
    
    public default  T[] toArray(Class type) {
        val _1 = _1();
        val _2 = _2();
        val _3 = _3();
        val _4 = _4();
        val array = Array.newInstance(type, 4);
        Array.set(array, 0, _1);
        Array.set(array, 1, _2);
        Array.set(array, 2, _3);
        Array.set(array, 3, _4);
        @SuppressWarnings("unchecked")
		val toArray = (T[])array;
		return toArray;
    }
    
    public default FuncList