On Jul 14, 2009, at 18:27 , John Ky wrote:
Is it possible to create a circular pure data structure in Haskell?  For example:

http://haskell.org/haskellwiki/Tying_the_knot

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brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery@kf8nh.com
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electrical and computer engineering, carnegie mellon university    KF8NH