# Side-Effect-Free Equality

> The ability to compare value objects by their contents with no side effects.

Record: `lexicon:side-effect-free-equality`
Kind: capability
Layer: [Domain Modeling](https://banes-lab.com/records/layer/domain-modeling.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-side-effect-free-equality

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Self-Validating Values](https://banes-lab.com/records/lexicon/self-validating-values.md) and before [Transactional Consistency Boundary](https://banes-lab.com/records/lexicon/transactional-consistency-boundary.md).

## Category

- [Domain Architecture](https://banes-lab.com/records/lexicon-category/domain-architecture.md)

## Enabled by

- [Value Object](https://banes-lab.com/records/architecture/value-object.md)

## Linked from

- [Domain Architecture](https://banes-lab.com/ontology/principles/architecture-category-domain-architecture.md)
- [Domain Architecture](https://banes-lab.com/ontology/lexicon/lexicon-category-domain-architecture.md)