activerecord/lib/active_record/type/integer.rb


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module ActiveRecord
  module Type
    class Integer < Value # :nodoc:
      include Numeric

      def type
        :integer
      end

      def klass
        ::Fixnum
      end

      alias type_cast_for_database type_cast

      private

      def cast_value(value)
        case value
        when true then 1
        when false then 0
        else value.to_i rescue nil
        end
      end
    end
  end
end