gistfile1.rb

    def self.is_date(key)
        define_method(key) do
            Date.parse(instance_variable_get("@#{key}"))
        end

        define_method("#{m}=") do |val|
            instance_variable_set("@#{m}",val.string.strftime('%a %d %b, %l:%m %P'))
        end
    end