* accessors starting with "getXXX" usually expect pointers to
something and return their results into space pointed to, IIRC.
* accessors starting with "isXXX" return BOOL.
* all other KVC accessors return primitive data types (including data
structures such as NSRect, NSPoint, etc...) and object references, as
appropriate to the accessor in question.
At least, that's how I understand it...
On Dec 31, 2009, at 1:03 AM, Shane Stanley wrote:
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 <sstan...@myriad-com.com.au>
AppleScript Pro, April 2010, Florida <http://www.applescriptpro.com>
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