public static void UseNullableT()
{
var number = new Generics.Nullable <int>(5);
Console.WriteLine($"Has Value ? {number.HasValue}");
Console.WriteLine($"Value: {number.GetValueOrDefault()}");
//nullable int
var anotherNumber = new Generics.Nullable <int>();
Console.WriteLine($"Has Value ? {anotherNumber.HasValue}");
Console.WriteLine($"Value: {anotherNumber.GetValueOrDefault()}");
}
static void Main(string[] args)
{
var book = new Book
{
Id = 1,
Name = "FixItNooo"
};
var books = new GenericList <Book>();
books.Add(book);
var dictionary = new GenericDictionary <string, Book>();
dictionary.Add("test", book);
var number = new Generics.Nullable <int>();
Console.WriteLine("Has Value?" + number.HasValue);
Console.WriteLine("Value" + number.GetValueOrDefault());
Console.WriteLine("Hello World!");
}
