From: Bob Hutchison <hutch@...>
Date: 2006-01-08T03:24:17+09:00
Subject: Re: Iterator Fu Failing Me


On Jan 7, 2006, at 12:19 PM, Bob Hutchison wrote:

> You mean #detect or #select?
>
> elements = tokens.select do |token|
>   result = nil
>   [ClassA, ClassB, ClassC].find { |kind| results << kind.parse? 
> (token) }
>   result
> end

This is wrong too! It should be:

elements = tokens.select do |token|
   result = nil
   [ClassA, ClassB, ClassC].find { |kind| result = kind.parse?(token) }
   result
end

Now, before I dig anymore holes, I'll stop now.

----
Bob Hutchison                  -- blogs at <http://www.recursive.ca/ 
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