Untangling Typechecking of Intersections and Unions
Intersection and union types denote conjunctions and disjunctions of properties. Using bidirectional typechecking, intersection types are relatively straightforward, but union types present challenges. For union types, we can case-analyze a subterm of union type when it appears in evaluation positio...
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| Format: | Article |
| Language: | English |
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Open Publishing Association
2011-01-01
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| Series: | Electronic Proceedings in Theoretical Computer Science |
| Online Access: | http://arxiv.org/pdf/1101.4428v1 |