Std::start::deferred. std::future referring on the shared state established by this phone to std::async. [edit] Launch procedures Replacing strings by numerical values was once uncomplicated, but since pandas 2.2. The easy approach beneath throws a warning. What's the "suitable" way to do this now? Note that the destructors of std::futures https://alphawireless.com/future-proofing-american-utilities-why-900-mhz-is-critical-for-utility-communications/