From: Rick DeNatale <rick.denatale@...>
Date: 2006-09-21T10:28:32+09:00
Subject: Re: Bug in Hash#hash? (Ruby 1.8.4)

On 9/20/06, Yukihiro Matsumoto <matz@ruby-lang.org> wrote:
> Hi,
>
> In message "Re: Bug in Hash#hash? (Ruby 1.8.4)"
>     on Thu, 21 Sep 2006 09:34:17 +0900, "Rick DeNatale" <rick.denatale@gmail.com> writes:
>
> |Smalltalkers might recall that Smalltalk has both a Hash which uses
> |Smalltalks equivalents to Ruby's hash and ==, and IdentityHash which
> |uses Smalltalks equivalents to Ruby's object_id for the hash, and
> |equal?
>
> Recently, 1.9 added Hash#compare_by_identity method which makes Hash
> to compare its keys by identity.
>

And I showed my age, they say that the memory is the second thing to
go, but I forget what the first thing is.

In Smalltalk it's Dictionary, and IdentityDictionary, but other than
the names Dictionary is a Hash.

-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/