public static Option <int> Demo_WithUnitAndBind()
{
Option <string> input = OptionMonad.Unit("asdfasdf");
Option <int> divided = input
.Bind(number => ParseIntOptional(number))
.Bind(parsed => DivideByOptional(parsed, 2));
return(divided);
}
public static Option <int> Demo_WithUnitAndBind_Linq()
{
Option <string> input = OptionMonad.Unit("24");
Option <int> result =
from number in input
from parsed in ParseIntOptional(number)
from divided in DivideByOptional(parsed, 2)
select divided;
return(result);
}
public static Option <char> Demo_WithNextChar_Linq()
{
Option <char> input = OptionMonad.Unit('H');
const string sentence = "Hello World!";
Option <char> result =
from chr in input
from index in GetIndexOfCharacter(sentence, chr)
from nextChar in GetCharacterAtIndex(sentence, index + 1)
select nextChar;
return(result);
}