# Adapter Pattern / Mapping Overhead

> "adapter-pattern" (design-patterns-core layer) is traded against "Mapping Overhead" (structural-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Mapping Overhead" and choosing an explicit operating point.

Record: `tension:adapter-pattern-mapping-overhead`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-adapter-pattern-mapping-overhead

## tensions-with

- [Adapter Pattern](https://banes-lab.com/records/arch/adapter-pattern.md)
- [Mapping Overhead](https://banes-lab.com/records/lex/mapping-overhead.md)