
The Visitor Design Pattern
The visitor design pattern allows us to add operations to objects that already exist without modifying their classes and without extending them.
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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