# fold

> family of higher-order functions that analyze a recursive data structure and build up a return value

**Wikidata**: [Q951651](https://www.wikidata.org/wiki/Q951651)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fold_(higher-order_function))  
**Source**: https://4ort.xyz/entity/fold-q951651


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)