Linq enumerate multiple collections simultaneously

ZipEach.cs

    public static class EnumerableExtensions
    {
        /// <summary>
        /// Enumerates over two sequences simulateneously and performs the action on both
        /// </summary>
        /// <typeparam name="T1"></typeparam>
        /// <typeparam name="T2"></typeparam>
        /// <param name="source1"></param>
        /// <param name="source2"></param>
        /// <param name="eacher">The action which takes a value from each sequence</param>
        public static void ZipEach<T1, T2>(this IEnumerable<T1> source1, IEnumerable<T2> source2, Action<T1, T2> action)
        {
            var source1Enumerator = source1.GetEnumerator();
            var source2Enumerator = source2.GetEnumerator();

            for (; AdvanceEach(source1Enumerator, source2Enumerator);)
            {
                eacher(source1Enumerator.Current, source2Enumerator.Current);
            }
        }

        private static bool AdvanceEach(params System.Collections.IEnumerator [] enumerators)
        {
            return enumerators.All(e => e.MoveNext());
        }

    }