instance method `cattr_writer`

Ruby on Rails 3.0.20

Since v2.2.3 Last seen in v4.0.13

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13

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cattr_writer(*syms)

No documentation comment.

Parameters

syms rest

Source

# File activesupport/lib/active_support/core_ext/class/attribute_accessors.rb, line 51
  def cattr_writer(*syms)
    options = syms.extract_options!
    syms.each do |sym|
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        unless defined? @@#{sym}
          @@#{sym} = nil
        end

        def self.#{sym}=(obj)
          @@#{sym} = obj
        end
      EOS

      unless options[:instance_writer] == false
        class_eval(<<-EOS, __FILE__, __LINE__ + 1)
          def #{sym}=(obj)
            @@#{sym} = obj
          end
        EOS
      end
      self.send("#{sym}=", yield) if block_given?
    end
  end

Defined in activesupport/lib/active_support/core_ext/class/attribute_accessors.rb line 51 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Class

Signature

Parameters