utx::ydzs, aka yield-this-thread, is used to yield this thread, which will call std::this_thread::yield. utx::ydzs() is a shorthand of std::this_thread::yield().
#include <utxcpp/thread.hpp> #include <utxcpp/core.hpp> int main() { auto f1 = utx::async( [] { for (utx::ix32 i=0; i<10; ++i) { utx::print(i); utx::ydzs(); } } ); }