Dependent Types for Class-based Mutable Objects (Artifact)

Authors Joana Campos, Vasco T. Vasconcelos

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  • Filesize: 260 kB
  • 2 pages

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Author Details

Joana Campos
Vasco T. Vasconcelos

Cite AsGet BibTex

Joana Campos and Vasco T. Vasconcelos. Dependent Types for Class-based Mutable Objects (Artifact). In Special Issue of the 32nd European Conference on Object-Oriented Programming (ECOOP 2018). Dagstuhl Artifacts Series (DARTS), Volume 4, Issue 3, pp. 1:1-1:2, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)



This artifact is based on DOL, a Dependent Object-oriented Language featuring dependent types, mutable objects and class-based inheritance with subtyping. The typechecker written in Xtend, a flexible and expressive dialect of Java, is a direct implementation of the algorithmic type system described in the companion paper. It uses a direct interface to Z3 theorem prover via its API for Java. The artifact ships with an IDE developed as an Eclipse plugin based on the Xtext framework.
  • dependent types
  • index refinements
  • mutable objects
  • type systems


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