class RuboCop::Cop::Style::ArrayCoercion

def on_array(node)
  return unless node.square_brackets?
  array_splat?(node) do |arg_node|
    message = format(SPLAT_MSG, arg: arg_node.source)
    add_offense(node, message: message) do |corrector|
      corrector.replace(node, "Array(#{arg_node.source})")
    end
  end
end