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Closing the hierarchy or not depend on the use cases, for an application most hierarchies are closed. For a library most are open. For example, if your applica
by _old_dude_ 3y ago
Closing the hierarchy or not depend on the use cases, for an application most hierarchies are closed. For a library most are open.
For example, if your application receive JSON objects, you know all of them so, it's a closed hierarchy.