private static void TestTypes()
{
#region standard
var year = 2017;
var month = 5;
var day = 6;
var date = Primitive.CreateDate(year, month, day);
var date2 = Primitive.CreateDate(year, day, month);
#endregion standard
#region domain specific
var y = Year.New(2017);
var m = Month.New(5);
var d = Day.New(6);
var date4 = Functional.CreateDate(y, m, d);
#endregion domain specific
}
private static void NullValues()
{
#region standard
var dateStr = Primitive.GetDateString(2017, 16, 10);
if (dateStr != null)
{
Console.WriteLine($"There are {dateStr.Length} characters.");
}
#endregion standard
#region functional
var dateStr2 = Functional.GetDateString(Year.New(2017), Month.New(2), Day.New(29));
dateStr2.Match(
Some: str => Console.WriteLine($"There are {str.Length} characters."),
None: () => Console.WriteLine("Date is invalid")
);
#endregion functional
}
private static void FaultyCases()
{
#region standard
var year = 2017;
var month = 2;
var day = 29;
try
{
var date3 = Primitive.CreateDate(year, day, month);
}
catch
{
Console.WriteLine("Invalid date");
}
#endregion standard
#region functional
var y = Year.New(2017);
var m = Month.New(5);
var d = Day.New(6);
#region v1
var date4 = Functional.TryCreateDate(y, m, d);
date4.Match(
Succ: value => Console.WriteLine(value.ToShortDateString()),
Fail: ex => Console.WriteLine("Invalid date")
);
#endregion v1
#region v2
var date5 = Functional.ValidateAndCreateDate(y, m, d);
date5.Match(
Succ: value => Console.WriteLine(value.ToShortDateString()),
Fail: messages => messages.Iter(x => Console.WriteLine(x))
);
#endregion v2
#endregion functional
}
private static void ReduceBoilerPlate()
{
#region standard
var date1 = Primitive.TryCreateDate(2017, 1, 1);
if (date1 != null)
{
var date2 = Primitive.TryCreateDate(2017, 1, 2);
if (date2 != null)
{
var diff = date2 - date1;
}
}
#endregion standard
#region functional
#region V1
var period = from d1 in Functional.ValidateAndCreateDate(Year.New(2017), Month.New(1), Day.New(1))
from d2 in Functional.ValidateAndCreateDate(Year.New(2017), Month.New(1), Day.New(2))
select d2 - d1;
period.Match(
Succ: v => Console.WriteLine(v.ToString()),
Fail: messages => messages.Iter(msg => Console.WriteLine(msg))
);
#endregion V1
#region V2
var period2 = from d1 in Functional.TryCreateDate(Year.New(2017), Month.New(1), Day.New(1))
from d2 in Functional.TryCreateDate(Year.New(2017), Month.New(1), Day.New(2))
select d2 - d1;
period2.Match(
Succ: v => Console.WriteLine(v.ToString()),
Fail: ex => Console.WriteLine(ex.ToString())
);
#endregion V2
#endregion functional
}