Rails Helpers and Instance Variables

November 10th, 2005

I was reading the code for the FileColumn, helper and I had a thought. What if we could obviate the need for requiring instance variables for helpers ?

A recent example on the mailing list ? render partial and passing in the object, by Mark Van Holstyn. In the thread, he asks why he can’t do:

His partial being: Reading FileColumn helper’s code, and the code in Rails own helpers, the following idiom is used to get a hold of the instance variable:

What if we did it this way instead ?

Actually, this should all be abstracted away in some kind of helper for helpers. Let me take a moment to prepare a patch. I think this would make things quite a bit easier for partial users.

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I am François Beausoleil, a Ruby on Rails coder. During the day, I work on XLsuite. At night, I am interested many things. Read my biography

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