Related to Karl's Template Haskell suggestion you could also have a look at
quasiquotation:
http://www.haskell.org/haskellwiki/Quasiquotation
The GHC documentation has an example of a expression quoter:
http://www.haskell.org/ghc/docs/latest/html/users_guide/template-haskell.html#th-quasiquotation
On 23 June 2013 22:22, Karl Voelker ktvoel...@gmail.com wrote:
On Sun, Jun 23, 2013 at 6:36 AM, TP paratribulati...@free.fr wrote:
In a more general way, let us suppose I have a Haskell library able to
perform some calculations: how to use it in a pre-processing step, before
compilation of the executable?
You are looking for Template Haskell.
http://www.haskell.org/haskellwiki/Template_Haskell
I'm not sure how up-to-date the wiki is, but it should give you the
general idea.
-Karl V.
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