The idea is simple. Suppose you have a large array that you always need to sort. Changing or pasting even one element means you need to resort to an array. Sorting is expensive.
-[NSArray sortedArrayHint] , , , , .
:
-[NSArray sortedArrayHint].- ;
-[NSArray sortedArrayUsingFunction:context:hint:] . - ;
-[NSArray sortedArrayUsingFunction:context:], .
- , .
, NSArray NSMutabelArray , , . : https://github.com/Jayway/CWFoundation