From: Dean <ruby-talk@...>
Date: 2006-03-06T12:19:32+09:00
Subject: undefined method `convert_to' for false:FalseClass

I have a rails app (so maybe this is a question for the rails list) that 
uses a temperature class I also wrote.  When the app goes to save a new 
record, I get this error message.

undefined method `convert_to' for false:FalseClass

Why is convert_to being passed a flase object? The method is:

def ==(t_obj)
  @temp == t_obj.convert_to(@units).temp
end

the convert_to method converts a temperature object to the requested 
units (C, F, K).
It is coming from:

#{RAILS_ROOT}/app/models/temperature.rb:82:in `=='
#{RAILS_ROOT}/vendor/rails/activerecord/lib/active_record/callbacks.rb:248:in 
`create_or_update'
<snip>

Regards,
--Dean

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