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# Extends the class object with class and instance accessors for class attributes,
# just like the native attr* accessors for instance attributes.
class Class # :nodoc:
def cattr_reader(*syms)
syms.flatten.each do |sym|
class_eval(<<-EOS, __FILE__, __LINE__)
unless defined? @@#{sym}
@@#{sym} = nil
end
def self.#{sym}
@@#{sym}
end
def #{sym}
@@#{sym}
end
EOS
end
end
def cattr_writer(*syms)
syms.flatten.each do |sym|
class_eval(<<-EOS, __FILE__, __LINE__)
unless defined? @@#{sym}
@@#{sym} = nil
end
def self.#{sym}=(obj)
@@#{sym} = obj
end
def #{sym}=(obj)
@@#{sym} = obj
end
EOS
end
end
def cattr_accessor(*syms)
cattr_reader(*syms)
cattr_writer(*syms)
end
end
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