From: Joachim Glauche <jg@...>
Date: 2007-10-15T19:39:38+09:00
Subject: Re: nil.to_i returning zero

Robert Dober wrote:

> My pragmatic question is therefore:
> nil.to_i usecases anyone?

I remember using it somewhere. I think I used it for catching user input 
integer values like
unless val.to_i == 0; ... ; end


The nil.to_something behaviour seems logical to me:

nil.to_i = Returns the integer which represents "nothing" = 0
nil.to_s = Returns the string which represents "nothing" = ""
...
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