restart_server(
	-host    => $host,
	-port    => $port,
	-timeout => $timeout
); # works
restart_server(
	Host    => $host,
	Port    => $port,
	Timeout => $timeout
); # so does this...
restart_server(
	host    => $host,
	port    => $port,
	timeout => $timeout
); # and this...