[Haskell-cafe] extension to filter with external program (was: Current status of Mavericks CPP)

Tom Ellis tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk
Wed Apr 16 11:53:36 UTC 2014

On Wed, Apr 16, 2014 at 01:29:23PM +0200, Tobias Florek wrote:
> i'd like to have (instead of LANGUAGE CPP) the following extension.
> LANGUAGE FilterWithExternalProgram my_cpp

I really don't want LANGUAGE pragmas running arbitrary programs on my
computer.  Regrettably there are already ways to get GHC to do this, but the
fewer the better, in my opinion.


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