From: niklas | brueckenschlaeger <niklas@...>
Date: 2010-12-02T04:10:42+09:00
Subject: Re: hash method how-to?

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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 =3D name
  end

  def hash
    @name.hash
  end
end

h =3D { X.new("foo") =3D> "bar" }
h[X.new("foo")] =3D "baz" # will overwrite the above

On Thu, 2010-12-02 at 03:40 +0900, Intransition wrote:
> Are there any good tutorials out there for writing proper #hash
> methods?
>=20


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