Async Stacks: Making Senders and Coroutines Debuggable

Learn about advanced debugging techniques for asynchronous C++ code in this conference talk from CppCon 2024 presented by Meta engineers Ian Petersen and Jessica Wong. Explore how async stack trace support can be implemented using coroutines and senders to improve the debugging experience of asynchronous code. Discover the challenges engineers face when debugging async code and how Meta's Folly library addresses these issues by providing better visibility into async call stacks. Gain insights into structured approaches for reasoning about asynchronous C++ and learn how these debugging capabilities can be incorporated into other C++ coroutine libraries. Understand the practical implications of these improvements through real-world examples and implementation strategies developed at Meta.