OOPSLA 2021
Proceedings of the ACM on Programming Languages, Volume 5, Number OOPSLA

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Editorial Message
The Proceedings of the ACM series presents the highest-quality research conducted in diverse areas of computer science, as represented by the ACM Special Interest Groups (SIGs). The ACM Proceedings of the ACM on Programming Languages (PACMPL) focuses on research on all aspects of programming languages, from design to implementation and from mathematical formalisms to empirical studies. The journal operates in close collaboration with the Special Interest Group on Programming Languages (SIGPLAN) and is committed to making high-quality peer-reviewed scientific research in programming languages free of restrictions on both access and use.
This issue of the PACMPL journal publishes 71 articles that were submitted in response to a call for papers seeking contributions on on all practical and theoretical investigations of programming languages, systems and environments.