rewrite to fn expression to declaration to prevent parser from complaining; fix tests to properly pass
rewrite to fn expression to declaration to prevent parser from complaining; fix tests to properly pass

freeCodeCamp/arcade-mode,freeCodeCamp/arcade-mode,kevinnorris/arcade-mode,freeCodeCamp/arcade-mode,kevinnorris/arcade-mode,kevinnorris/arcade-mode,freeCodeCamp/arcade-mode,kevinnorris/arcade-mode