//types of contraints
//where T : IComparable
//where T : Product
//where T : struct
//where T : class
//where T : new()
static void Main(string[] args)
{
var book = new Book {
ISBN = "1111", Title = "C# Advanced"
};
var books = new GenericList <Book>();
books.Add(book);
Console.WriteLine(books.GetSize());
Console.WriteLine(books[0].Title);
books[0] = new Book()
{
ISBN = "22", Title = "New Book"
};
var newBook = books.Get(0);
Console.WriteLine(newBook.Title + " " + newBook.ISBN);
//multiple generic parameters
var dictionary = new GenericDictionary <string, Book>();
dictionary.Add("ISBN", new Book());
//using egeneric method
Console.WriteLine(Utilities.Max <int>(5, 10));
//contraint to paticular class
var calculator = new DicountCalculator <Product>();
var product = new Product()
{
Price = 12.99, Name = "TV"
};
var discount = calculator.CalculateDiscount(product);
Console.WriteLine("Discount: $" + discount);
//using Nullable class
var number = new Nullable <int>(5);
Console.WriteLine("Has Value? " + number.HasValue);
Console.WriteLine("Value: " + number.GetNullOrDefault());
Console.ReadKey();
}
