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#immutable-value-object

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Blog17.7K views2,413 votes0 replies3,442 following

Python Dataclasses: Immutable Value Objects with Frozen Instances, Default Factories, and Slots

A practical guide to using frozen dataclasses, default_factory for mutable defaults, and slots to cut memory and bugs in Python 3.7+ codebases.

default-factory immutable-value-object

pythonTasadduq Burneyowner34.8K rep · 07 Oct 2026, 20:38 UTC