bbatsov/ruby-style-guide — Issue #78:  use _ as a variable placeholder
Author: SirLenz0rlot
Created: 2012-02-24 07:35:47+00:00
State: open

I use the convention to use _ for a variable name when not used. e.g:

some_hash.map { |_, value| value + 1 }

would be a nice addition to this guide I think