Joshua Kolden wrote:
 >  how that can happen.  I also don't understand any reason for this
 >  function to call self.salt, instead of @salt.  Any clues would be much
 >  appreciated.

I don't know much about the book example you refer to but you seem to 
have some confusion between "self.salt = foo" and "@salt = foo"

When you do "@salt = foo" it is simply making the instance variable 
"salt" point to whatever "foo" is pointing at. If you do "self.salt = 
foo" then you are calling the method "salt=" with the argument "foo". 
The method "salt=" could do anything. One might think it is typically 
defined as:

def salt=(val)
   @salt = val
end

but it could be defined as

def salt=(val)
   @salt = rand
end

Sounds like you need to see how "salt=" is defined. Until then you won't 
know why it is not working.

Eric


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