oop - What mathematical duals are there in OO programming? -

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If you have recently seen, then a very frequently mentioned topic is in programming. Good about dualism in tomasp object-oriented programming.

Microsoft Research has found that the supervisor design pattern is actually a mathematical double Iterator pattern

What are the mathematical double elements in programming?

My question is this:

Object-oriented programming is a good start: major Gough design patterns are: decorator, state, iterator, mask, strategy, proxy, factory method , Adapter, observer, template method, composite, singleton, abstract factory and command. There is a good object-graph-poster.

I would say that programming is the primary dual code - data duel, most obviously in Lisp , But is also evident in most contemporary languages ​​that provide introspection functionality.


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