On 12 Mar '08, at 11:23 PM, Seth Willits wrote:
Obj-C 2.0 takes 20 minutes to learn. There's not that much different, and the docs cover it pretty well.
For the most part; but there are some subtleties* that can take some extra time to grasp later on as you run into them. (They are documented, though, so I recommend giving the docs another read if you get confused.)
—Jens* For example: how to make a category that's publicly read-only but settable inside the class implementation. Atomic vs non-atomic, in refcounted vs GC apps. Declaring and implementing properties in categories. Properties vs direct ivar access. What is the value of a 'for...in...' variable after the loop finishes?
smime.p7s
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