Why do I Love C#?
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The document discusses various features and concepts in .NET, including delegates, events, generics, extension methods, and LINQ. It explains how iterators work using the 'yield' keyword and introduces dynamic typing in .NET 4.0. The document also highlights the significance of asynchronous programming with the async and await patterns to improve threading models.
Why do I Love C#?
- 1. By Abhishek Sur Website: www.abhisheksur.com Email : contact@abhisheksur.com
- 2. .NET Infrastructure User Interface Services Data Access ASP.NET Windows Windows Windows (WebForms, Entity Presentation Communication Workflow ADO.NET MVC, Dynamic Framework Foundation Foundation Foundation Data) WinForms Data Services LINQ to SQL Cloud (ODATA) Core Generics LINQ Dynamic Async Base Class Library Common Language Runtime
- 3. Agenda • Delegates • Events Language • Generics • Iterators Features • Extension Methods of C# • LINQ • Dynamic Types • Async
- 4. Delegates Delegates are special types Delegate points to Methods Delegates are not Function Pointers Events Events are Wrappers to Delegates Cleaner pattern to handle Delegates Only use when you do require
- 6. Generics Type as Template Constraint on Generic Types It can be applied on Types, Method, Delegates etc. Extension Methods Extend your predefined Types without inheritance Available when appropriate namespace is available
- 8. Iterators Forms a State Machine which can pause – Continue a method. We create Itreators using yield keyword in C# which generates an IEnumerable. Any Collection can be represented by Ienumerable Iterators represents a sequence (finite / Infinite)
- 9. Iterators
- 10. Anonymous Language Object Object can exist in language without name Cleaner codebase. Anonymous methods are used as Closures. We use delegate to refer anonymous methods and var for types. LINQ Search inside Managed objects Simple projection, selection, grouping, joins and many more…
- 11. Anonymous Types & LINQ
- 12. Dynamic in .NET 4.0 CLR is mostly static type ◦ Compile time type checking DLR added dynamism to .NET ◦ Run time type checking Object – Static type, base class var – is ALSO static type, compiler inferred dynamic – Evaluation deferred Expandable objects
- 13. Dynamic
- 15. New Asynchronous Pattern Contextual async & await pattern simplifies complex Threading model or existing pattern of coding Async is not about Concurrency but rather it is truly asynchrony. It can easily plugged in without changing the logic. Compiler generates state machine to resume methods
- 16. Async & Await
- 18. Abhishek Sur, MVP (Client App Dev) www.abhisheksur.com Email: contact@abhisheksur.com Twitter : @abhi2434 Thank you.