[Haskell-cafe] List spine traversal

Martin Huschenbett huschi at gmx.org
Wed Jul 1 14:17:50 EDT 2009

Hi Andrew,

you will find it there but it's written in German.




Andrew Hunter schrieb:
> 2009/7/1 Matthias Görgens <matthias.goergens at googlemail.com>:
>>> As a side note, (allowing seq and unsafePerformIO if necessary) is it
>>> possible to implement a map that preserves cycles (instead of
>>> transparently replacing them with infinite copies?  Not horribly
>>> useful, but would be quite cute.
>> Baltasar Trancon y Widemann gave a talk on a generalized version of
>> this problem at HaL4.  Short answer: The problem is tractable in
>> theory, but you need heavy math.
> Pretty cool--any paper/slides/transcript/video?
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