From: Brian Buckley <briankbuckley@...>
Date: 2006-03-23T05:56:46+09:00
Subject: duplicate keys in a Hash

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In the code below it appears Ruby is permitting duplicate keys.  What's
happening?
--Brian

h =3D {}
h[{}] =3D "test1" #key is an empty hash
h[{}] =3D "test2" #2nd key is an empty hash  -- two duplicate keys?
h.size # 2

{} =3D=3D {}  # =3D> true empty hashes are equal

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