Rails - Nov 2007 - Why are both of these validations not working?

validates_presence_of :region, :if => ["CA",
"US"].include?(:country)
validates_presence_of :region, :if => Proc.new { |a| ["CA",
"US"].include?(a.country) }

The top one works, but the bottom does not.  Obviously the top is
easier to read, but I am just curious to why the bottom one returns
false.

Thanks


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