What are they, what\'s the different between them? Many sources, l开发者_StackOverflowike Wikipedia, claim they\'re the same thing, but others explicitly say the opposite, like sbi in this question:
I know what Visitor Pattern is and how to use it; this question is not a duplicate of this one. I\'ve got a library where I put most of the reusable code I write, and which I link to most of my pro
i have wrote the visitor pattern as follow but i don\'t understand what is single and double dispatch.
I\'m sure this must be a common problem with the Visitor pattern, so thought I\'d see if there is a standard solution.
lets say i have a method which ha开发者_开发百科s two parameters. i have been implementing them as:
the following class hierarchies represent abstract resource handler and resource hierarchies. Both have the interfaces as base classes. Now imagine you write a system where you can implement multiple