Uses optional/variant consistently in sender/receiver interfaces where a completion may be absent.
Other papers in std::execution (senders/receivers)
P2300R10std::executionSt. Louis 2024P3325R5A Utility for Creating Execution EnvironmentsWrocław 2024P3396R1
std::execution wording fixesWrocław 2024P3284R4write_env and unstoppable Sender AdaptorsSofia 2025P3433R1Allocator Support for Operation StatesSofia 2025P3481R5std::execution::bulk() issuesSofia 2025All 16 papers in std::execution (senders/receivers) →