# Macro Systems

> A facility that lets code transform other code at compile time by operating on its data representation.

Record: `lex:macro-systems`
Kind: mechanism
Layer: [Declarative Core](https://banes-lab.com/records/layer/declarative-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-macro-systems

## category

- [Metaprogramming / Language-Oriented Architecture](https://banes-lab.com/records/lex-category/metaprogramming-language-oriented-architecture.md)

## referenced-by

- [Homoiconicity](https://banes-lab.com/records/arch/homoiconicity.md)