method
mattr_writer
mattr_writer(*syms)
public
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# File activesupport/lib/active_support/core_ext/module/attribute_accessors.rb, line 25 def mattr_writer(*syms) options = syms.extract_options! syms.each do |sym| 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