# Mixed Layers

> Interleaving different architectural layers' logic in one place instead of keeping each concern separate.

Record: `lexicon:mixed-layers`
Kind: anti-pattern
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-mixed-layers

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Leaky Abstraction](https://banes-lab.com/records/lexicon/leaky-abstraction.md) and before [Monolithic Procedures](https://banes-lab.com/records/lexicon/monolithic-procedures.md).

## Category

- [Core Modular Design](https://banes-lab.com/records/lexicon-category/core-modular-design.md)

## Negated by

- [Separation of Concerns](https://banes-lab.com/records/architecture/separation-of-concerns.md)

## Linked from

- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)
- [Core Modular Design](https://banes-lab.com/ontology/lexicon/lexicon-category-core-modular-design.md)