/ Ruby on Rails
/
method

cattr_reader

v3.1.0 - Show latest stable - Class: Class
cattr_reader(*syms)
public

No documentation available.

# File activesupport/lib/active_support/core_ext/class/attribute_accessors.rb, line 28
  def cattr_reader(*syms)
    options = syms.extract_options!
    syms.each do |sym|
      class_eval(        unless defined? @@#{sym}          @@#{sym} = nil        end        def self.#{sym}          @@#{sym}        end, __FILE__, __LINE__ + 1)

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

1Note

Other Example

jackson_pires ยท Feb 2, 2013
##

class Exam cattr_reader :code, :description, :points, :instance_reader => false

@@code = "EXM"
@@description = "Sent Exam"
@@points = 1000

end

=== In this case it's possible to use

Exam.code # => EXM Exam.description # => Sent Exam Exam.points # => 1000