update example 6 to show by reference function
update example 6 to show by reference function

0x0all/Blueberry,TazeTSchnitzel/Blueberry,0x0all/Blueberry,gosukiwi/Blueberry,TazeTSchnitzel/Blueberry,0x0all/Blueberry,gosukiwi/Blueberry,TazeTSchnitzel/Blueberry