Improve field error proc example in validations guide

JEG2 · Jan 25, 2012 · 79a0488 · 79a0488
1 parent eb171fa
commit 79a0488
Showing 1 changed file with 2 additions and 7 deletions.
diff --git a/railties/guides/source/active_record_validations_callbacks.textile b/railties/guides/source/active_record_validations_callbacks.textile
@@ -901,13 +901,8 @@ Below is a simple example where we change the Rails behavior to always display t
 
 <ruby>
 ActionView::Base.field_error_proc = Proc.new do |html_tag, instance|
-  if instance.error_message.kind_of?(Array)
-    %(#{html_tag}<span class="validation-error">&nbsp;
-      #{instance.error_message.join(',')}</span>).html_safe
-  else
-    %(#{html_tag}<span class="validation-error">&nbsp;
-      #{instance.error_message}</span>).html_safe
-  end
+  errors = Array(instance.error_message).join(',')
+  %(#{html_tag}<span class="validation-error">&nbsp;#{errors}</span>).html_safe
 end
 </ruby>