Huh! learn something new everyday. From `ri Enumerable#inject` > If you specify a symbol ... each element will be passed to the named method of _memo_ Also, t

Huh! learn something new everyday. From `ri Enumerable#inject` > If you specify a symbol ... each element will be passed to the named method of _memo_ Also, the `sum = ` part isn't really needed either. "Fore!"