# Ruby For Rails class\_eval question

**URL:** <https://discuss.rubyonrails.org/t/ruby-for-rails-class-eval-question/2909>\
**Category:** rubyonrails-talk\
**Created:** [October 10, 2006, 11:52pm UTC](https://discuss.rubyonrails.org/t/ruby-for-rails-class-eval-question/2909 "2006-10-10T23:52:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Bala\_Paranj2](https://avatars.discourse-cdn.com/v4/letter/b/f6c823/32.png) [@Bala\_Paranj2](https://discuss.rubyonrails.org/u/Bala_Paranj2)\
**Post date:** [October 10, 2006, 11:52pm UTC](https://discuss.rubyonrails.org/t/ruby-for-rails-class-eval-question/2909/1 "2006-10-10T23:52:26Z")

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It works now. Why does it have to be constant?

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**Author:** ![David\_A\_Black1](https://avatars.discourse-cdn.com/v4/letter/d/bcef8e/32.png) [@David\_A\_Black1](https://discuss.rubyonrails.org/u/David_A_Black1)\
**Post date:** [October 11, 2006, 1:10am UTC](https://discuss.rubyonrails.org/t/ruby-for-rails-class-eval-question/2909/2 "2006-10-11T01:10:50Z")

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Hi --