class RuboCop::Cop::Rails::Pluck

def on_block(node)
  pluck_candidate?(node) do |method, argument, element, value|
    next unless argument == element
    message = message(method, argument, element, value)
    add_offense(offense_range(node), message: message) do |corrector|
      corrector.replace(offense_range(node), "pluck(:#{value})")
    end
  end
end