Gcc/10.2.0/gcc/Objective 002dC

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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: