On 28 Mar 09, at 01:25, an0...@gmail.com wrote:
I can not find any data structure in Cocoa that maintains sorting order of items gradually added in, using the pairwise comparison results, something like the canonical set in C++'s STL that is usually implemented as a balanced tree.
Unlike the C++ and Java standard libraries, which name data structures based on their implementation, Cocoa's data structures are named to describe their intended use - the internal implementation isn't exposed, but you can rest assured that it'll use something appropriate for the application. (Indeed, the internal implementation may change based on the size of the collection.)
Anyways, since you're after an ordered list, what you want here is NSMutableArray. Inserting elements into a sorted array comes up once in a while; here's a recent discussion:
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