November 2013
Beginner
325 pages
9h 47m
English
Content preview from Objective-C Programming: The Big Nerd Ranch Guide
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Appendix The Objective-C Runtime
“Any sufficiently advanced technology is indistinguishable from magic.” —Arthur C. Clarke
“Magic is dumb.” —Every engineer, ever
People who become programmers are often the sort of people who are dissatisfied with magic and with the statement, “It just works.” We want to know how and why it works.
This chapter will reveal some of the underlying mechanisms that make Objective-C programs “just work.” These mechanisms are part of the Objective-C Runtime.
The term “runtime” has multiple meanings. So far, we have used it to describe the time period during which your application is running on a user’s computer. Runtime is contrasted with “compile-time,” which is the period before running when you build ...
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