The Perform template std::async operates the perform file asynchronously (probably inside of a independent thread which could certainly be a Portion of a thread pool) and returns a std::future that will at some point maintain the results of that perform simply call. one) Behaves as though (2) known as with https://alphawireless.com/future-proofing-american-utilities-why-900-mhz-is-critical-for-utility-communications/