Since in Ruby false and nil are the only "falsish" values and everything else is true, their values has been chosen to make a boolean test as efficient as possi

Since in Ruby false and nil are the only "falsish" values and everything else is true, their values has been chosen to make a boolean test as efficient as possible. See: https://github.com/ruby/ruby/blob/trunk/include/ruby/ruby.h#L374 https://github.com/ruby/ruby/blob/trunk/include/ruby/ruby.h#...