From: "Albert L. Wagner" <alwagner@...>
Date: 2002-02-18T23:12:40+09:00
Subject: Re: OOP overhead (Was: tiny contest...)



Dave Thomas wrote:
> 
<snip>
> Agreed, but in this particular case, the code is changing from (say)
> 
>    wordlist.each do |word|
>      hashed_word = hash_of(word)
>      anagrams[hashed_word] = word
>   end
> 
> to
> 
>    def String.hash
>       hash_of(word)
>    end
> 
>    wordlist.each do |word|
>      anagrams[word.hash] = word
>    end
> 
> which effectively doubles the number of method calls (because hash_of
> is a method call itself.

You are right, of course.  But this particular case was a kludged
attempt to make hash-as-hash-key work.

> 
<snip>
> Dave