C#: Array Extension Methods

ArrayExtensions.cs

using System;
using System.Linq;

namespace TangChr
{
    static class ArrayExtensions
    {
        public static TSource[] Remove<TSource>(this TSource[] source, TSource item)
        {
            var result = new TSource[source.Length - source.Count(s => s.Equals(item))];
            var x = 0;
            foreach (var i in source.Where(i => !Equals(i, item)))
            {
                result[x] = i;
                x++;
            }
            return result;
        }

        public static TSource[] RemoveAt<TSource>(this TSource[] source, int index)
        {
            var result = new TSource[source.Length - 1];
            var x = 0;
            for (var i = 0; i < source.Length; i++)
            {
                if (i == index) continue;
                result[x] = source[i];
                x++;
            }
            return result;
        }

        public static TSource[] RemoveAll<TSource>(this TSource[] source, Predicate<TSource> predicate)
        {
            var result = new TSource[source.Length - source.Count(s => predicate(s))];
            var i = 0;
            foreach (var item in source.Where(item => !predicate(item)))
            {
                result[i] = item;
                i++;
            }
            return result;
        }

        public static void ForEach<TSource>(this TSource[] source, Action<TSource> action)
        {
            foreach (var item in source)
                action(item);
        }

        public static void ForEach<TSource>(this TSource[] source, Action<TSource> action, Func<TSource, bool> predicate)
        {
            foreach (var item in source.Where(predicate))
                action(item);
        }
    }
}