Alternative KVC accessors
Alternative KVC accessors
- Subject: Alternative KVC accessors
- From: Shane Stanley <email@hidden>
- Date: Thu, 31 Dec 2009 18:03:48 +1100
- Thread-topic: Alternative KVC accessors
The documentation says:
"The format for an accessor method that returns a property is -<key>. The
-<key> method returns an object, scalar or a data structure. The alternate
naming form -is<Key> is supported for Boolean properties."
A small number of test suggest -is<Key> is supported more generally.
Elsewhere, the documentation says:
"When the default implementation of valueForKey: is invoked on a receiver,
the following search pattern is used:
"1. Searches the class of the receiver for an accessor method whose name
matches the pattern -get<Key>, -<key>, or -is<Key>, in that order. If such a
method is found it is invoked."
This suggests that all three patterns are supported.
So am I likely to run into problems if I write accessors as -get<Key> or
-is<Key> for properties that have synthesized accessors?
And yes, there's a good reason for wanting to...
--
Shane Stanley <email@hidden>
AppleScript Pro, April 2010, Florida <http://www.applescriptpro.com>
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