retry after error

retry.cs

        const int RETRIES = 3; 

        void Retry(Action f)
        {
            for (int i = 0; i < RETRIES; i++)
            {
                try
                {
                    f(); 
                }
                catch (Exception e)
                {
                    if (i + 1 >= RETRIES)
                        throw e;
                }
            }
        }

        R Retry<R>(Func<R> f)
        {
            for(int i=0;i<RETRIES;i++)
            {
                try
                {
                    return f(); 
                }
                catch(Exception e)
                {
                    if (i + 1 >= RETRIES)
                        throw e; 
                }
            }

            return default(R);
        }