Johnny Lundy wrote:
I imagine this is a very dumb question, but I am perplexed.
NSArray says you can change the values of elements, but not add/
subtract/replace elements.
Right. Meaning if a contained object it mutable, you can mutate it
and the NSArray won't care.
Let's say I have an NSArray @"Tom", @"Dick", @"Harry", nil
And I want to change Tom and Dick to Mutt and Jeff.
Is my only option to make it a MutableArray and use
replaceObjectAtIndex:0 and :1 with @"Mutt" and @"Jeff"?
Only? No, but that'd be the sensible, straightforward way (presuming
those strings are not mutable).
Is there a way just to set the value of an array element without
replacing it?
The question's not really meaningful because there's no such concept
as an 'unset' element in an NSArray. If an array has some content at
index N it also has content in every index in [0,N-1]. So there's no
distinction between setting the value at index N and replacing the
value at index N.
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