Category - Revision history

Cbv: Added to category Objective-C

2006-06-21T09:44:03Z

Added to category Objective-C

Cbv: fixed link

2005-08-30T14:22:57Z

fixed link

Cbv at 14:19, 30 August 2005

2005-08-30T14:19:31Z

New page

Categories let you extend the behaviour of a class without having to subclass it.

The obvious advantage is that all classes that inherit from the original class would automagically also inherit the additions of your category.

One disadvantage is that a category cannot add [[instance_variable]]s.

← Older revision		Revision as of 09:44, 21 June 2006
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	The obvious advantage is that all classes that inherit from the original class would automagically also inherit the additions of your category.		The obvious advantage is that all classes that inherit from the original class would automagically also inherit the additions of your category.

−	One disadvantage is that a category cannot add [[instance_variable\|~~Instance~~ variables]].	+	One disadvantage is that a category cannot add [[instance_variable\|instance variables]].
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		+	[[Category:Objective-C]]

← Older revision		Revision as of 14:22, 30 August 2005
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	The obvious advantage is that all classes that inherit from the original class would automagically also inherit the additions of your category.		The obvious advantage is that all classes that inherit from the original class would automagically also inherit the additions of your category.

−	One disadvantage is that a category cannot add [[instance_variable]]s.	+	One disadvantage is that a category cannot add [[instance_variable\|Instance variables]].