[2108.06296] An ML-style Record Calculus with Extensible Records
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Computer Science > Logic in Computer Science

arXiv:2108.06296 (cs)
[Submitted on 13 Aug 2021 (v1), last revised 28 Dec 2021 (this version, v2)]

Title:An ML-style Record Calculus with Extensible Records

Authors:Sandra Alves (University of Porto), Miguel Ramos (University of Porto)
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Abstract:In this work, we develop a polymorphic record calculus with extensible records. Extensible records are records that can have new fields added to them, or preexisting fields removed from them. We also develop a static type system for this calculus and a sound and complete type inference algorithm. Most ML-style polymorphic record calculi that support extensible records are based on row variables. We present an alternative construction based on the polymorphic record calculus developed by Ohori. Ohori based his polymorphic record calculus on the idea of kind restrictions. This allowed him to express polymorphic operations on records such as field selection and modification. With the addition of extensible types, we were able to extend Ohori's original calculus with other powerful operations on records such as field addition and removal.
Comments: In Proceedings MFPS 2021, arXiv:2112.13746
Subjects: Logic in Computer Science (cs.LO)
Report number: EPTCS 351-1
Cite as: arXiv:2108.06296 [cs.LO]
  (or arXiv:2108.06296v2 [cs.LO] for this version)
  https://doi.org/10.48550/arXiv.2108.06296
Journal reference: EPTCS 351, 2021, pp. 1-17
Related DOI: https://doi.org/10.4204/EPTCS.351.1

Submission history

From: EPTCS [view email] [via EPTCS proxy]
[v1] Fri, 13 Aug 2021 16:02:03 UTC (48 KB)
[v2] Tue, 28 Dec 2021 15:11:07 UTC (25 KB)
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