If first and second do not have the same number of elements, action is invoked for as many pairs as exist, but not for any unpaired elements - CSharp System

CSharp examples for System:Array Element

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Description

If first and second do not have the same number of elements, action is invoked for as many pairs as exist, but not for any unpaired elements

Demo Code


using System.Collections.Generic;
using System;/* www .j  a  va 2s.  c  om*/

public class Main{
        /// <summary>
        /// If first and second do not have the same number of elements, action is invoked for as many pairs as exist, but not for any unpaired elements
        /// </summary>
        /// <typeparam name="TFirst"></typeparam>
        /// <typeparam name="TSecond"></typeparam>
        /// <param name="first"></param>
        /// <param name="second"></param>
        /// <param name="action"></param>
        public static void ForEachPair<TFirst, TSecond>(IEnumerable<TFirst> first, IEnumerable<TSecond> second, Action<TFirst, TSecond> action)
        {
            if (first == null)
                throw new ArgumentNullException("first");
            if (second == null)
                throw new ArgumentNullException("second");
            if (action == null)
                throw new ArgumentNullException("action");

            IEnumerator<TFirst> firstItr = first.GetEnumerator();
            IEnumerator<TSecond> secondItr = second.GetEnumerator();

            while (firstItr.MoveNext() && secondItr.MoveNext())
            {
                action(firstItr.Current, secondItr.Current);
            }
        }
}

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