Hi all
Put the following code in a view of a Rails app (replace the model
classes in the array with some of your model classes):
    <ul class="buttons">
      <% [Country, LinkCategory, Link, Member, MusicArtist, MusicLabel,
MusicStyle, PartySetting, PsyCommunity, OnlineShop, Session,
SystemGroup, SystemRight].each do |clazz| %>
          <%= "<li" + (''
class="selected"'' if clazz.to_s.pluralize +
"Controller" == self.controller.class.to_s) + ">" +
clazz.to_s.tableize.titleize + "</li>" if
user_authorized_to?(''VIEW'',
clazz) %>
      <% end %>
    </ul>
You''ll be surprised - you''ll get a TypeError. Now re-arrange
the code to
the following:
    <ul class="buttons">
      <% [Country, LinkCategory, Link, Member, MusicArtist, MusicLabel,
MusicStyle, PartySetting, PsyCommunity, OnlineShop, Session,
SystemGroup, SystemRight].each do |clazz| %>
          <%= "<li" + (''
class="selected"'' if true) + ">" +
clazz.to_s.tableize.titleize + " #{clazz.to_s.pluralize +
"Controller"
== self.controller.class.to_s}</li>" if
user_authorized_to?(''VIEW'',
clazz) %>
      <% end %>
    </ul>
Now it works! Same code fragments, but different effect! What''s wrong
here?! Very annoying...
Thanks,
Josh
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