Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Programming languages and platforms that typically support reflection include dynamically typed languages such as Objective-C and Smalltalk; scripting languages such as Perl, PHP, Python, VBScript, and JavaScript; and the Maude system of rewriting logic. Objective-C is a reflective, object-oriented programming language which adds Smalltalk-style messaging to the C programming language. Today, it is used primarily on Apple's Mac OS X and iOS: two environments based on the OpenStep standard, though not compliant with it.

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