From: Christian Neukirchen <chneukirchen@...>
Date: 2006-03-02T20:38:06+09:00
Subject: Re: cleaner Ruby in a rails view

petermichaux@yahoo.com writes:

> Hi,
>
> I think this is a pure Ruby question. I seem to be writing this nested
> structure constantly
>
> <% unless item.cart_item_optional_variations.empty? %>
>   <% item.cart_item_option_values.each do |ov| %>
>
>   <% end %>
> <% end %>
>
> Is there a way to write this in one steps so i am not doing nil.each?

How about this:

  <% item.cart_item_option_values.to_a.each do |ov| %>
  <% end %>

# nil.to_a == []

> Thanks,
> Peter
-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org