behavior of -copy
behavior of -copy
- Subject: behavior of -copy
- From: Ariel Feinerman <email@hidden>
- Date: Thu, 27 May 2010 15:59:07 +0300
Hi,
if i understand, -copy message implement via -retain for true immutable
objects like NSNumber, via -alloc, -init thus make true copy for mutable
objects like NSMutableArray, my question is: what does -copy for immutable
variant of immutable/mutable objects, for instance NSArray *arrayCopy =
[array copy]; returns true copy or retains one? Or what does happen if
object itself is immutable and has not setters, but it instance variables is
mutable and can be changed?
NSDictionary instance has NSMutableDictionary values
--
best regards
Ariel
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