# Postcondition Check

> A technique for checking at the end of an operation that the result and state it promises hold.

Record: `lexicon:postcondition-check`
Kind: technique
Layer: [Computation Core](https://banes-lab.com/records/layer/computation-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-postcondition-check

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Invariant Check](https://banes-lab.com/records/lexicon/invariant-check.md) and before [Pin Versions](https://banes-lab.com/records/lexicon/pin-versions.md).

## Category

- [Correctness / Determinism / Verification](https://banes-lab.com/records/lexicon-category/correctness-determinism-verification.md)

## Refactors

- [Implicit Contract](https://banes-lab.com/records/architecture/implicit-contract.md)
- [Design by Contract](https://banes-lab.com/records/architecture/design-by-contract.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)
- [Contracts / Interfaces / Compatibility](https://banes-lab.com/ontology/principles/architecture-category-contracts-interfaces-compatibility.md)