class RuboCop::Cop::Rails::ReadWriteAttribute

def autocorrect(node)
  _receiver, method_name, _body = *node
  case method_name
  when :read_attribute
    replacement = read_attribute_replacement(node)
  when :write_attribute
    replacement = write_attribute_replacement(node)
  end
  ->(corrector) { corrector.replace(node.source_range, replacement) }
end