Chapter 25. Advanced Tricks
Objective-C is a powerful dynamic language. It was designed as a simple Smalltalk-like extension to the C language to support object orientation. While there are some limitations in this approach, it generally conveys most of the power of both languages.
The C language is little more than a cross-platform assembly language. As with an assembly language, it is very good for writing code that is close to the hardware. C is a great language for people who love microoptimization, as it’s often possible to control exactly what the processor is doing. This is especially true of GCC, which exposes a number of instructions directly to the programmer as built-in functions. These are compiled to single instructions, only using ...
Get Cocoa® Programming Developer’s Handbook, Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.