From: gotoken@... (GOTO Kentaro)
Date: 2000-12-30T10:29:52+09:00
Subject: [ruby-talk:8321] Re: speedup of anagram finder

In message "[ruby-talk:8316] Re: speedup of anagram finder"
    on 00/12/30, "Christoph Rippel" <crippel@primenet.com> writes:
>key = 0
>word.each_byte do |s|
>    key << 5  # multiply by 32
>    if  s < 97
>          key+= s - 64
>    else
>          key+= s - 96
>    end
>end

I'm sorry to say that this kind of key is not unique for anagrams for
each word.  Use of prime numbers is essential here.  

-- Gotoken
Btw, I read as "key <<= 5" ;-)