Enumeration extensions

gistfile1.cs

        public static void WhenNotNullPerform<TType, TResult>(this IEnumerable<TType> items, Func<TType, TResult> conditionToCheck, Action<TResult> actionToApply) where TResult : class
        {
            items.Each(x =>
            {
                var result = conditionToCheck.Invoke(x);
                if (result != null)
                {
                    actionToApply.Invoke(result);
                }
            });
        }

        public static void Each<TType>(this IEnumerable<TType> items, Action<TType> action)
        {
            foreach (var item in items) {
                action(item);
            }
        }