Discourje: Runtime Verification of Communication Protocols in Clojure

This talk presents Discourje: a runtime verification framework for communication protocols in Clojure. Discourje guarantees safety of protocol implementations relative to specifications, based on an expressive new version of multiparty session types. The framework has a formal foundation and is itself implemented in Clojure to offer a seamless specification-implementation experience. Benchmarks show Discourje's overhead can be less than 5% for real/existing concurrent programs. This is joint work with Ruben Hamers, published in TACAS 2020.

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