Session-ocaml: A Session-Based Library with Polarities and Lenses - Coordination Models and Languages (COORDINATION 2017) Access content directly
Conference Papers Year : 2017

Session-ocaml: A Session-Based Library with Polarities and Lenses

Keigo Imai
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Shoji Yuen
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Abstract

We propose session-ocaml, a novel library for session-typed concurrent/distributed programming in OCaml. Our technique solely relies on parametric polymorphism, which can encode core session type structures with strong static guarantees. Our key ideas are: (1) polarised session types, which give an alternative formulation of duality enabling OCaml to automatically infer an appropriate session type in a session with a reasonable notational overhead; and (2) a parameterised monad with a data structure called ‘slots’ manipulated with lenses, which can statically enforce session linearity and delegations. We show applications of session-ocaml including a travel agency usecase and an SMTP protocol.
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hal-01657342 , version 1 (06-12-2017)

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Keigo Imai, Nobuko Yoshida, Shoji Yuen. Session-ocaml: A Session-Based Library with Polarities and Lenses. 19th International Conference on Coordination Languages and Models (COORDINATION), Jun 2017, Neuchâtel, Switzerland. pp.99-118, ⟨10.1007/978-3-319-59746-1_6⟩. ⟨hal-01657342⟩
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