Using the GNU Compiler Collection (GCC): Objective-C

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8 GNU Objective-C Features

This document is meant to describe some of the GNU Objective-C features. It is not intended to teach you Objective-C. There are several resources on the Internet that present the language.

• GNU Objective-C runtime API:   
• Executing code before main:   
• Type encoding:   
• Garbage Collection:   
• Constant string objects:   
• compatibility_alias:   
• Exceptions:   
• Synchronization:   
• Fast enumeration:   
• Messaging with the GNU Objective-C runtime: