[Haskell-cafe] Reflection.Emit in Haskell

Peter Verswyvelen bf3 at telenet.be
Fri Jan 18 01:21:20 EST 2008

That would be possible, but wouldn't Template Haskell also be an option?


Martin Lütke wrote:
> Cetin Sert schrieb:
>> As a .NET (C#/F#) programmer learning Haskell, I would love to know 
>> the best online sources about run-time compilation etc. like 
>> Reflection.Emit in .NET. I am making heavy use of this .NET API to 
>> compile customized (regular-expressions-) FSAs at run-time and want 
>> to learn how I might achieve the same in Haskell. Book or online 
>> article references specific to this issue will be highly appreciated ^_^
> I am not familiar with C# but I think what you looking for is the GHC 
> api which allows you to compile haskell expressions at runtime. Look 
> for metaplug on hackage 
> (http://hackage.haskell.org/cgi-bin/hackage-scripts/package/metaplug-0.1.1).
> In its source you ll find an example on how to use the api. You may of 
> course use metaplug itself. I must warn you though that the GHC api is 
> not the best documented and maintained. Currently (ghc 6.8.1) f.i. it 
> seems that reloading modules is broken.
> The most official docu is here:  
> http://www.haskell.org/haskellwiki/GHC/As_a_library.
> regards,
> Martin
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