Visitor pattern definitions

Visitor pattern

1) Software design pattern
Found on https://www.crosswordclues.com/clue/visitor-pattern

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Visitor pattern

In object-oriented programming and software engineering, the visitor design pattern is a way of separating an algorithm from an object structure on which it operates. A practical result of this separation is the ability to add new operations to existing object structures without modifying those structures. It is one way to follow the open/closed p...
Found on http://en.wikipedia.org/wiki/Visitor_pattern

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visitor pattern

a way of using double dispatch to simulate virtual calls without adding new virtual functions.
Found on http://www.stroustrup.com/glossary.html

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