From: gotoken@... (GOTO Kentaro)
Date: 2001-03-07T00:59:36+09:00
Subject: [ruby-talk:12147] Re: (long) Re: hash.invert loses data if equal values exist - is this the right behaviour?

In message "[ruby-talk:12145] Re: (long) Re: hash.invert loses data if equal values exist - is this the right behaviour?"
    on 01/03/07, Dave Thomas <Dave@PragmaticProgrammer.com> writes:
>> Or is the morale that I should not invert hashes with equal values
>> because the results are too difficult to predict?
>
>I guess it depends on the result you want. There are circumstances
>where inverting a hash is a useful thing to be able to to, and others
>where it might not make too much sense. You'll need to make a decision 
>based on your own application.

I see.  But I don't know the purpose of Hash#invert.  IMHO, invert is
not a so general method to be built-in...

-- Gotoken