12345678910111213141516171819moduleIO_run=structtype'at='aletreturnx=xletbindt~f=ftendmoduleIO_flush=structincludeIO_runletto_runt=tendletflush()=()(* the runtime already flushes [stdout] *)letrunf=f()letflushed()=true(* the runtime flushed [stdout] before calling this function *)letupon_unreleasable_issue=`CR