Additional Notes
How should you explain invariants in __post_init__ in an interview?
Track: Python
Topic: Domain Modeling
Focus: Invariants In __post_init__
Python: Invariants In __post_init__
Answer
Enforce the basic invariant when the object is created so the rest of the code can trust the instance. Interviewers often respect candidates who push validation to the moment state becomes real.
The strongest answers connect the feature to reasoning and tradeoffs instead of reciting syntax.
The strongest answers connect the feature to reasoning and tradeoffs instead of reciting syntax.
Topics: Domain Modeling Invariants In __post_init__ Python