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Constraint handling rules with binders, patterns and generic quantification*

Published online by Cambridge University Press:  22 August 2017

ALEJANDRO SERRANO Open the ORCID record for ALEJANDRO SERRANO [Opens in a new window]  and
JURRIAAN HAGE
ALEJANDRO SERRANO
Affiliation:
Department of Information and Computing Sciences, Utrecht University, Utrecht, The Netherlands (e-mails: A.SerranoMena@uu.nl, J.Hage@uu.nl)
JURRIAAN HAGE
Affiliation:
Department of Information and Computing Sciences, Utrecht University, Utrecht, The Netherlands (e-mails: A.SerranoMena@uu.nl, J.Hage@uu.nl)
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Abstract

Constraint handling rules provide descriptions for constraint solvers. However, they fall short when those constraints specify some binding structure, like higher-rank types in a constraint-based type inference algorithm. In this paper, the term syntax of constraints is replaced by λ-tree syntax, in which binding is explicit, and a new ∇ generic quantifier is introduced, which is used to create new fresh constants.

Keywords

Constraint Handling Rulespattern unificationgeneric quantification
Type
Regular Papers
Information
Theory and Practice of Logic Programming , Volume 17 , Special Issue 5-6: 33rd International Conference on Logic Programming , September 2017 , pp. 992 - 1009
Copyright
Copyright © Cambridge University Press 2017 

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Footnotes

*

This work was supported by the Netherlands Organisation for Scientific Research (NWO) project on “DOMain Specific Type Error Diagnosis (DOMSTED)” (612.001.213).

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