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Has anyone succeeded in implementing or designing a type-system that combines both type-state (linear types) and effect types (e.g. Koka)?

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  • $\begingroup$ Kitten has some linear typing (still being figured out) as well as an effect system based on Koka’s. $\endgroup$
    – Jon Purdy
    Commented Jun 21, 2016 at 1:07

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Edwin Brady has done some work in that area using dependent types in IDRIS. Take a look at his work, in particular Programming and Reasoning with Algebraic Effects and Dependent Types and Resource-dependent Algebraic Effects.

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    $\begingroup$ Welcome and thanks for your answer! Could you give at least a very brief summary of what the linked preprints contain? That way, your answer would be more self-contained. A few sentences would be fine. $\endgroup$ Commented Jun 16, 2016 at 10:10
  • $\begingroup$ Dependent types are very heavy to use. I was hoping for a system more like Rust + Koka. $\endgroup$ Commented Jun 16, 2016 at 14:14
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A lot of work on types for $\pi$-calculus does this. See e.g. (1) for a unified system. Sequential languages can be embedded into $\pi$-calculus, so this work also applies to sequential languages.

(1) A Uniform Type Structure for Secure Information Flow, K Honda and N Yoshida.

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