class RuboCop::Cop::Style::EmptyLineBetweenDefs

def on_def(node)
  if @prev_def_end && (def_start(node) - @prev_def_end) == 1
    unless @prev_was_single_line && singe_line_def?(node) &&
           cop_config['AllowAdjacentOneLineDefs']
      add_offense(node, :keyword)
    end
  end
  @prev_def_end = def_end(node)
  @prev_was_single_line = singe_line_def?(node)
end