Design Patterns
Reflections from My Combinator Pattern Talk at PyCon AT 2026
Designing flexible systems with combinators: clean composition over hardcoded logic.
April 25, 2026
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Designing flexible systems with combinators: clean composition over hardcoded logic.
The visitor design pattern allows us to add operations to objects that already exist without modifying their classes and without extending them.
Unlike design patterns, anti patterns just seem to be a solution. However, they are not a solution and they cause additional costs.
Based on my experience, it seems that most of the developers that use MongoDB are not familiar with the MongoDB design patterns.
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