# Deferred Execution Semantics

> The requirement that a computation's semantics defer its work until the result is demanded.

Record: `lexicon:deferred-execution-semantics`
Kind: constraint
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-deferred-execution-semantics

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Debuggability/Resource Lifetime](https://banes-lab.com/records/lexicon/debuggability-resource-lifetime.md) and before [Eager Full Materialization](https://banes-lab.com/records/lexicon/eager-full-materialization.md).

## Category

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/records/lexicon-category/streaming-pipeline-dataflow-processing.md)

## Required by

- [Lazy Evaluation](https://banes-lab.com/records/architecture/lazy-evaluation.md)

## Linked from

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/ontology/principles/architecture-category-streaming-pipeline-dataflow-processing.md)