Re: Key-Value Coding default accessor search implementation
Re: Key-Value Coding default accessor search implementation
- Subject: Re: Key-Value Coding default accessor search implementation
- From: Wain <email@hidden>
- Date: Fri, 18 Nov 2005 14:37:00 +0000
On 18 Nov 2005, at 14:23, Francis Derive wrote:
Hello,
Exercising on this subject, I get an error when I substitute
"myInstance" with "ismyInstance".
It is fine with "_myInstance".
Look at http://developer.apple.com/documentation/Cocoa/Conceptual/
KeyValueCoding/Concepts/SearchImplementation.html
It states this in relation to the Default Search Pattern for
setValue:forKey:
"If no accessor is found, and the receiver’s class method
accessInstanceVariablesDirectly returns YES, the receiver is searched
for an instance variable whose name matches the pattern _<key>,
_is<Key>, <key>, or is<Key>, in that order."
-- note that for both 'is' options the Key has a capital K
Have you tried using a capital first letter?
Wain
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