NDLI: Session types revisited

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Session types revisited

Content Provider	ACM Digital Library
Author	Giachino, Elena Dardha, Ornela Sangiorgi, Davide
Abstract	Session types are a formalism to model structured communication-based programming. A session type describes communication by specifying the type and direction of data exchanged between two parties. When session types and session primitives are added to the syntax of standard π-calculus types and terms, they give rise to additional separate syntactic categories. As a consequence, when new type features are added, there is duplication of efforts in the theory: the proofs of properties must be checked both on ordinary types and on session types. We show that session types are encodable in ordinary π types, relying on linear and variant types. Besides being an expressivity result, the encoding (i) removes the above redundancies in the syntax, and (ii) the properties of session types are derived as straightforward corollaries, exploiting the corresponding properties of ordinary π types. The robustness of the encoding is tested on a few extensions of session types, including subtyping, polymorphism and higher-order communications.
Starting Page	139
Ending Page	150
Page Count	12
File Format	PDF
ISBN	9781450315227
DOI	10.1145/2370776.2370794
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-09-19
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Linear types Encoding Pi-calculus Session types
Content Type	Text
Resource Type	Article

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