*****SPAM***** Annotation for unfolding wanted

Georg Martius mai99dgf at studserv.uni-leipzig.de
Sat Jul 28 14:50:36 EDT 2007

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Content preview:  Hi, I was wondering why we don't have an annotation or
  pragma for function to tell the compiler that we need this particular
  recursive function to be unfolded. If the compiler cannot do this for
  some reason it should produce an error message to help you modifying
  your code. I have regularly problems that my code is either not strict
  enough or my functions are not unfolded. I find it annoying that this is
  a regular show stopper and consumes much time to fix. Here is an
  example: a search function for strings, which should return the index
  and the rest of the string after the first occurrence: search0 will not
  be unfolded by ghc -O. (I don't know why, it looks tail-recursive to me)
  whereas search1 is just fine. [...] 

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From: Georg Martius <mai99dgf at studserv.uni-leipzig.de>
Subject: Annotation for unfolding wanted
Date: Sat, 28 Jul 2007 20:50:36 +0200
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