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haXe 2 Beginner's Guide

You're reading from  haXe 2 Beginner's Guide

Product type Book
Published in Jul 2011
Publisher
ISBN-13 9781849512565
Pages 288 pages
Edition 1st Edition
Languages

Table of Contents (21) Chapters

haxe 2
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Getting to know haXe 2. Basic Syntax and Branching 3. Being Cross-platform with haXe 4. Understanding Types 5. The Dynamic Type and Properties 6. Using and Writing Interfaces, Typedefs, and Enums 7. Communication Between haXe Programs 8. Accessing Databases 9. Templating 10. Interfacing with the Target Platform 11. A Dynamic Website Using JavaScript 12. Creating a Game with haXe and Flash Pop Quiz Answers Index

Time for action – Assigning from Dynamic variables


You can assign the content of any Dynamic variable to a variable of any type. Indeed, we generally say that the Dynamic type can be used in place of any type and that a variable of type Dynamic is indeed of any type.

So, with that in mind, you can now see that you can write and compile this code:

class DynamicTest
{
   public static function main()
   {
      var dynamicVar : Dynamic;
      var year : Int;
      dynamicVar = "Hello";
      year = dynamicVar;
   }
}

So, here, even though we will indeed assign a String to a variable typed as Int, the compiler won't complain. But you should keep in mind that this is only at compile time! If you abuse this possibility, you may get some strange behavior!

Field access

A Dynamic variable has an infinite number of fields all of Dynamic type. That means you can write the following:

class DynamicTest
{
   public static function main()
   {
      var dynamicVar : Dynamic;dynamicVar = {};
      dynamicVar...
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