What, exactly constitutes a mutable action on an instance?
What, exactly constitutes a mutable action on an instance?
- Subject: What, exactly constitutes a mutable action on an instance?
- From: Alex Zavatone <email@hidden>
- Date: Tue, 28 May 2013 09:39:21 -0400
Though it's clearly defined in the docs when to use NSMubleAnything vs. NSAnything (insert Array, Dictionary, String, etc for Anything), there is no compiler warning when you perform a simple action such as allocate a string and then reassign values to it.
With this in mind, what exactly constitutes a mutable action?
If we take this:
NSString *myString;
myString = @"Hi";
myString = @"Hi there";
I'm clearly expecting some type of warning from the compiler when myString is redefined, but I don't see one in Xcode 4.6.1. Is this redefinition not a mutable action? It sure seems like it is.
Thanks in advance.
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