Jessica Wong and Ian Peterson discuss libunifex and std::execution, the evolution of async code projects at Meta, and the importance of structured concurrency in C++. They also explore XCode 16 beta updates, hardening modes, and advancements in the P2300 proposal for error results dependency.
Structured concurrency aids in debugging async code by providing a logical flow of tasks.
Libunifix's structured approach enhances code organization and maintainability.
Proposal P3149 aims to standardize structured concurrency in C++26 for improved development processes.
Deep dives
Structured Concurrency in Asynchronous Programming
Structured concurrency and asynchronous programming paradigms are discussed, emphasizing the benefits of structured concurrency in understanding and debugging asynchronous code. The conversation delves into how structured concurrency presents a more logical and detailed approach to tracking the flow of asynchronous tasks, enabling better debugging tools and enhancing code maintainability in the long term.
Libunifix and its Practical Applications
The podcast guests highlight the practical applications of Libunifix in various domains, including mobile development and server-side applications. They discuss how Libunifix offers a structured approach to asynchronous programming, aiding in resource-constrained environments and providing a bridge between unstructured and structured code. The integration of Libunifix with existing codebases is noted as a learning curve, which ultimately leads to improved code organization and maintainability.
Standardization Efforts for Structured Concurrency
The guests provide insights into their involvement in Proposal P3149, aimed at standardizing structured concurrency in C++26. They express optimism about the proposal's progress and the potential impact of structured concurrency on future C++ development. The priority assigned to structured concurrency in the C++26 roadmap is highlighted, indicating a concerted effort towards incorporating this paradigm into the standard.
Debugging Asynchronous Code Challenges
Challenges and solutions related to debugging asynchronous code are explored, acknowledging the complexities involved in traditional callback-based approaches. The discussion distinguishes between unstructured callback-based models and structured concurrency, with a focus on upcoming tools and libraries that streamline the debugging process. The transition from manual tracing to automated debugging tools is seen as a promising advancement in improving code visibility and error diagnosis.
Future Directions in C++ Development
The guests share their enthusiasm for upcoming developments in C++ evolution, including modules, memory safety enhancements, and reflection capabilities. They express curiosity about the ongoing evolution of C++ features and the potential impact on the language's versatility and efficiency. The exploration of memory safety concerns and C++'s adaptation to address them aligns with the broader industry trends towards safer and more robust code practices.
Jessica Wong and Ian Petersen join Timur and Phil. Ian and Jessica talk to us about libunifex and other async code projects at Meta, how it has evolved in the proposed std::execution and what structured concurrency is.
