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Count States to Model Combinations
- Modeling combinations by counting possible states is key to understanding your domain model.
- Different topping amounts and choices form alternatives and product types in data modeling.
Use Collections with Domain Constraints
- Use collections like arrays to model multiple choices such as pizza toppings.
- Wrap array operations to enforce domain rules like maximum toppings and to avoid invalid array manipulation.
Equality Matters in Collections
- Equality and order in collections impact how states are counted in domain models.
- Modeling what makes two sets the same or different is crucial for accurate state representation.