Beispiel #1
0
        /// <summary>
        /// If the 'opt' argument contains a value, the value is processed
        /// using 'f' function and is wrapend into a 'Some' constructor.
        /// </summary>
        public static Option <R> Map <T, R>(this Option <T> opt, Func <T, R> f)
        {
            T value1;

            if (opt.MatchSome(out value1))
            {
                return(OptionUtility.Some(f(value1)));                           // Call the function & wrap the result
            }
            else
            {
                return(OptionUtility.None <R>());
            }
        }
Beispiel #2
0
        /// <summary>
        /// If the 'opt' argument contains a value, the function 'f' is called
        /// with this value as an argument and the result is returned.
        /// </summary>
        public static Option <R> Bind <T, R>(this Option <T> opt, Func <T, Option <R> > f)
        {
            T value1;

            if (opt.MatchSome(out value1))
            {
                return(f(value1));                           // Just call the function
            }
            else
            {
                return(OptionUtility.None <R>());
            }
        }