Disclaimer: I’m not a Rubyist, but Ruby interests me so I’m trying to use this book to learn it better. I DID try and google this question to the best of my Google-foo, but to no avail.
In Chapter 2 I see the iterators being used via underscores instead of periods – yet I don’t seem to find any Ruby reference outside of this book that does this. It works, so I guess it’s legit, but could someone provide me a link to explain it better?
each_cell do |cell| ... end