static void Main(string[] args)
{
// DCI stuff
var destination = new SavingsAccount("39.16.23.397", 0);
var src = new SavingsAccount("1588.05.720", 19000);
var useCase = new TransferMoneyContext(src, destination, 50.22);
useCase.PrintState();
useCase.Execute();
// Monad stuff
var strMonad = "aap".ToViewModel();
var result = strMonad.Bind(str => { var x = str + "kip"; return x.ToViewModel(); })
.Bind(str => { var x = str + "schapie"; return x.ToViewModel(); });
Console.WriteLine("Value string monad: {0}", result.Value);
// transform current date to SideEffectsMonad with 0 as Sum
var res = DateTime.Now.ToSideEffects()
// add one day to internal date value of the monad (becoming tomorrow), transform it to a Monad itself and instantiate it with Sum set to 5.
// this is then the return value of the anonymous function called over the instantiated internal DateTime value (DateTime.Now)
// Bind() returns a new Monad based on this result and its internal state (Today, 0) becoming (Tomorrow, 5)
.Bind(dt => dt.AddDays(1).ToSideEffects(5))
// as a result of immutable types, chaining becomes a possibility. the result value of the former Bind() is used as input for this one.
// here we add a month to the day of tomorrow and add 0 (no param in ToSideEffects) to the Sum property.
// how does this work again?
// Bind() calls the provided function over its internal value.
// therefore its internal _val is used for dt, which is raised by a month and then transformed to a Monad with 0 as Sum.
// Bind merges this new Monad (TomorrowAndOneMonth, 0) with its internal state (Tomorrow, 5) to another new Monad.
// In this merging, the new value type is copied (TomorrowAndOneMonth) and the old Sum state (5) is added to the new Monad's Sum (0)
// This results in (TomorrowAndOneMonth, 5)
.Bind(dt => dt.AddMonths(1).ToSideEffects());
Console.WriteLine("Value datetime monad: {0}", res.Value);
Console.WriteLine("Sum output datetime monad: {0}", res.Sum);
// Visitor stuff
var a = new ClassA();
a.SomeInt = 62;
var b = new ClassB();
var i = a.Accept<int>(new CountVisitor(), 0);
var i2 = b.Accept<int>(new CountVisitor(), i);
Console.WriteLine("CountVisitor over Class A: {0}", i);
Console.WriteLine("CountVisitor over Class B: {0}", i2);
Console.ReadKey();
}