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Brown CEL Blog

cel.cs.brown.edu

We research how to use computers to support complex cognitive tasks: programming, verification, communication, learning, and more.

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A Design Space Exploration of Async/Await

Every language pitches async/await as synchronous-looking code, and the same two keywords appear everywhere. But behind the shared syntax hide nine independent design decisions, and no two of seven modern runtimes agree on what even the simplest async programs should do! In this paper we map the design space of…