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A Session Subtyping Tool

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Coordination Models and Languages (COORDINATION 2021)

Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 12717))

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Abstract

Session types are becoming popular and have been integrated in several mainstream programming languages. Nevertheless, while many programming languages consider asynchronous fifo channel communication, the notion of subtyping used in session type implementations is the one defined by Gay and Hole for synchronous communication. This might be because there are several notions of asynchronous session subtyping, these notions are usually undecidable, and only recently sound (but not complete) algorithmic characterizations for these subtypings have been proposed. But the fact that the definition of asynchronous session subtyping and the theory behind related algorithms are not easily accessible to non-experts may also prevent further integration. The aim of this paper, and of the tool presented therein, is to make the growing body of knowledge about asynchronous session subtyping more accessible, thus promoting its integration in practical applications of session types.

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Notes

  1. 1.

    As we will see, the order in which the LTSs are presented reflects the subtyping relation (we will show that \(T''_{HC}\) and \(T'_{HC}\) are subtypes of \(T_{HC}\)) and the positions in which types are inputed in the tool.

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Authors and Affiliations

  1. University of Bologna, Bologna, Italy

    Lorenzo Bacchiani, Mario Bravetti & Gianluigi Zavattaro

  2. Focus Team, Inria, Sophia Antipolis, France

    Mario Bravetti & Gianluigi Zavattaro

  3. Royal Holloway, University of London, Egham, UK

    Julien Lange

Authors
  1. Lorenzo Bacchiani
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  2. Mario Bravetti
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  3. Julien Lange
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  4. Gianluigi Zavattaro
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Corresponding author

Correspondence to Lorenzo Bacchiani .

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Editors and Affiliations

  1. University of Turin, Turin, Italy

    Ferruccio Damiani

  2. Sir Alwyn William Building, University of Glasgow, Glasgow, UK

    Ornela Dardha

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Bacchiani, L., Bravetti, M., Lange, J., Zavattaro, G. (2021). A Session Subtyping Tool. In: Damiani, F., Dardha, O. (eds) Coordination Models and Languages. COORDINATION 2021. Lecture Notes in Computer Science(), vol 12717. Springer, Cham. https://doi.org/10.1007/978-3-030-78142-2_6

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  • DOI: https://doi.org/10.1007/978-3-030-78142-2_6

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  • Print ISBN: 978-3-030-78141-5

  • Online ISBN: 978-3-030-78142-2

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