FastSignals
홈페이지: https://github.com/ispringtech/FastSignals Qt 스타일의 Signal 처리 라이브러리..connectemitdisconnect// Creates signal and connects 1 slot, calls 2 times, disconnects, calls again.// Outputs:// 13// 17#include "libfastsignals/signal.h"using namespace fastsignals;int main(){ signal valueChanged; connection conn; conn = valueChanged.connect([](int value) { cout