# On type-cases, union elimination, and occurrence typing

> Research article (Proceedings of the ACM on Programming Languages, 2022) · cited 13× · AI/ML

**Wikidata**: [openalex:W3215094100](https://www.wikidata.org/wiki/openalex:W3215094100)  
**Source**: https://4ort.xyz/entity/on-type-cases-union-elimination-and-occurrence-typing