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Merged
faif merged 1 commit into from
Jan 17, 2019
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Add notes to visitor #271

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8 changes: 8 additions & 0 deletions patterns/behavioral/visitor.py
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*TL;DR80
Separates an algorithm from an object structure on which it operates.

An interesting recipe could be found in
Brian Jones, David Beazley "Python Cookbook" (2013):
- "8.21. Implementing the Visitor Pattern"
- "8.22. Implementing the Visitor Pattern Without Recursion"

*Examples in Python ecosystem:
Python's ast.NodeVisitor: https://github.com/python/cpython/blob/master/Lib/ast.py#L250
"""


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