Collections/EnumerableExtensions.cs

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/*
 * Author: Kishore Reddy
 * Url: http://commonlibrarynet.codeplex.com/
 * Title: CommonLibrary.NET
 * Copyright: � 2009 Kishore Reddy
 * License: LGPL License
 * LicenseUrl: http://commonlibrarynet.codeplex.com/license
 * Description: A C# based .NET 3.5 Open-Source collection of reusable components.
 * Usage: Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CommonLibrary
{

    /// <summary>
    /// Extension methods for collections.
    /// </summary>
    public static class EnumerableExtensions
    {
        /// <summary>
        /// Execute action on each item in enumeration.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="items"></param>
        /// <param name="action"></param>
        public static void ForEach<T>(this IEnumerable<T> items, Action<T> action)
        {
            foreach (var item in items)
                action(item);
        }


        /// <summary>
        /// Converts an enumerable collection to an delimited string.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="items"></param>
        /// <param name="delimiter"></param>
        /// <returns></returns>
        public static string AsDelimited<T>(this IEnumerable<T> items, string delimiter)
        {
            List<string> itemList = new List<string>();
            foreach (T item in items)
            {
                itemList.Add(item.ToString());
            }
            return String.Join(delimiter, itemList.ToArray());
        }


        #region Conditional Checks
        /// <summary>