Visual Basic 10

Transcript

1.  Daron Yöndem Microsoft Regional Director Silverlight MVP
2. Visual Basic 1.0-3.0 Visual Basic 4.0-6.0 Visual Basic 7.0-9.0 Visual Basic 10.0 Visual Basic 11.0+
3. Hepimiz kardeşiz!
4. Declarative Concurrent Dynamic
5. Ne Nasıl Imperative Declarative
6. Dynamic Diller Simple and succinct Implicitly typed Meta-programming No compilation Static Diller Robust Performant Intelligent tools Better scaling
7. Property FirstName As String Property LastName As String Initializers: Property ID As Integer = -1 Property Suppliers As New List(Of Supplier)
8. Dim x As New List(Of Integer) From {1, 2, 3} Dim list As New Dictionary(Of Integer, String) From {{1, “Bart”}, {2, “Lisa”}, {3, “Homer”}} Array Literals: Dim a = {1, 2, 3} 'infers Integer() Dim b = {1, 2, 3.5} 'infers Double()
9. Dim items = {1, 2, 3, 4, 5} Array.ForEach(items, Sub(n) Console.WriteLine(n)) Array.ForEach(items, Sub(n) If n Mod 2 = 0 Then Console.WriteLine(n) End Sub) 'Count the number of even items in the array Dim total = items.Count(Function(n)
10. <Attribute()> Function Go( ByVal x As Integer, ByVal y As Integer ) Dim query = From n In { 123, 456, }
11. Python Binder Ruby Binder COM Binder JavaScript Binder Object Binder Dynamic Language Runtime Expression Trees Dynamic Dispatch Call Site Caching IronPython IronRuby C# VB.NET Others…
12. Dim apples As IEnumerable(Of Apple) = New List(Of Apple) 'Covariance (Apple inherits from Fruit) Dim fruits As IEnumerable(Of Fruit) = apples 'Contravariance - Func(Of In T, Out R) Dim predicate As Func(Of Fruit, Boolean) = Function(f) f.Color = "Red" apples.Where(predicate)