[Haskell-cafe] Re: Haskell code for this example of flow control

[Dominic Steinitz]

Here are some even older discussions on the subject. I don't know if anyone 
ever put them into a library or on the wiki.

Dominic.

http://haskell.org/pipermail/haskell-cafe/2005-May/009784.html

http://www.haskell.org//pipermail/libraries/2005-February/003143.html