You are previewing C# in Depth, Second Edition.

C# in Depth, Second Edition

Cover of C# in Depth, Second Edition by Jon Skeet Published by Manning Publications
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Chapter 14. Dynamic binding in a static language

This chapter covers

  • What it means to be dynamic
  • How to use dynamic typing in C# 4
  • Examples with COM, Python, and reflection
  • How dynamic typing is implemented
  • Reacting dynamically

C# has always been a statically typed language, with no exceptions. There have been a few areas where the compiler has looked for particular names rather than interfaces, such as finding appropriate Add methods for collection initializers, but there’s been nothing truly dynamic in the language beyond normal polymorphism. That changes with C# 4—at least partially. The simplest way of explaining it is that there’s a new static type called dynamic, which you can try to do almost anything with at compile time and let ...

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