why don't we kill ERXMutableArray and just make ERXArray that you
construct with another NSArray... make mutableClone on it just return
NSMutableArray, so you can't mess up.
ms
On May 27, 2009, at 4:42 PM, Chuck Hill wrote:
On May 27, 2009, at 12:49 PM, Anjo Krank wrote:
Am 27.05.2009 um 21:40 schrieb Chuck Hill:
Anjo had some way of using this safely, but you need to be aware
that EOF is NOT expecting the contents of that array to change.
Huh? Me? What?
You scolded me last time I said to not use mutable attributes and
grumbled about the mutable prototype in Wonder being dangerous.
Some non-sense like:
But apart from that, as most have said by now: using
ERXMutableArray as an attribute value is totally ok, only using the
mutable part of the API of the array is not. I.e. don't use
addObject(), create a clone, add to that and setFoo() it.
What is the point of making a mutable attribute if you can't use it
as a mutable value? It just positively BEGS to be misused. This
whole thread is evidence of that. There is no additional
complication that I can see in using an immutable array:
public void addBar(Bar bar) {
setFoo(foo().mutableClone().addObject(bar));
}
public void addBar(Bar bar) {
setFoo(foo().arrayByAddingObject(bar));
}
But you had some reason for wanting it to be a mutable instance.
Some performance concern perhaps?
Chuck
No idea where the stack overflow comes from. Setting an exception
breakpoint may or may not help...
Cheers, Anjo
--
Chuck Hill Senior Consultant / VP Development
Come to WOWODC'09 in San Fran this June!
http://www.wocommunity.org/wowodc09/
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