class Rubocop::Cop::Style::OpMethod

parameter named other.
This cop makes sure that certain operator methods have their sole

def on_def(node) 

def on_def(node)
  name, args, _body = *node
  if name !~ /\A\w/ && !BLACKLISTED.include?(name) &&
      args.children.size == 1 && args != TARGET_ARGS
    add_offence(:convention, args.children[0].loc.expression,
                sprintf(MSG, name))
  end
end