From: Yossef Mendelssohn <ymendel@...>
Date: 2010-12-02T04:27:22+09:00
Subject: Re: hash method how-to?

On Dec 1, 1:10 pm, niklas | brueckenschlaeger
<nik...@brueckenschlaeger.de> wrote:
> http://en.wikipedia.org/wiki/Hash_function
>
> in most cases it's the easiest to delegate the hash method to something
> else. Example:
>
> class X
>   def initialize(name)
>     @name = name
>   end
>
>   def hash
>     @name.hash
>   end
> end
>
> h = { X.new("foo") => "bar" }
> h[X.new("foo")] = "baz" # will overwrite the above

And so will `h['foo'] = 'baz'`.

--
-yossef