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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
// 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.list;

import static functionalj.list.AsFuncListHelper.funcListOf;
import static functionalj.list.FuncList.deriveFrom;

import functionalj.function.IntObjBiFunction;
import functionalj.function.IntObjToDoubleBiFunction;
import functionalj.function.IntObjToIntBiFunction;
import functionalj.list.doublelist.DoubleFuncList;
import functionalj.list.intlist.IntFuncList;
import functionalj.stream.markers.Sequential;
import functionalj.tuple.IntTuple2;
import lombok.val;

public interface FuncListWithMapWithIndex extends AsFuncList {
    
    /** @return  the stream of each value and index. */
    public default FuncList> mapWithIndex() {
        val funcList = funcListOf(this);
        return deriveFrom(funcList, stream -> stream.mapWithIndex());
    }
    
    /** Create a stream whose value is the combination between value of this stream and its index. */
    public default  FuncList mapWithIndex(IntObjBiFunction combinator) {
        val funcList = funcListOf(this);
        return deriveFrom(funcList, stream -> stream.mapWithIndex(combinator));
    }
    
    /** Create a stream whose value is the combination between value of this stream and its index. */
    public default  FuncList mapToObjWithIndex(IntObjBiFunction combinator) {
        val funcList = funcListOf(this);
        return deriveFrom(funcList, stream -> stream.mapToObjWithIndex(combinator));
    }
    
    /** Create a stream whose value is the combination between value of this stream and its index. */
    @Sequential
    public default IntFuncList mapToIntWithIndex(IntObjToIntBiFunction combinator) {
        val funcList = funcListOf(this);
        return IntFuncList.deriveFrom(funcList, stream -> stream.mapToIntWithIndex(combinator));
    }
    
    /** Create a stream whose value is the combination between value of this stream and its index. */
    @Sequential
    public default DoubleFuncList mapToDoubleWithIndex(IntObjToDoubleBiFunction combinator) {
        val funcList = funcListOf(this);
        return DoubleFuncList.deriveFrom(funcList, stream -> stream.mapToDoubleWithIndex(combinator));
    }
    
}