mattr_writer(*syms) public

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# File activesupport/lib/active_support/core_ext/module/attribute_accessors.rb, line 26
  def mattr_writer(*syms)
    options = syms.extract_options!
    syms.each do |sym|
      raise NameError.new('invalid attribute name') unless sym =~ /^[_A-Za-z]\w*$/
      class_eval(        def self.#{sym}=(obj)          @@#{sym} = obj        end, __FILE__, __LINE__ + 1)

      unless options[:instance_writer] == false || options[:instance_accessor] == false
        class_eval(          def #{sym}=(obj)            @@#{sym} = obj          end, __FILE__, __LINE__ + 1)
      end
    end
  end
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