[jhc] Multi parameter type classes

John Meacham john at repetae.net
Wed Nov 11 20:08:14 EST 2009

Hi, the bug Tracker is stored in the bugs/ directory of the project an  
managed via ditz. So to change a bug, simply sumit a darcs patch.


On Nov 11, 2009, at 1:25 PM, Henning Thielemann <jhc at henning-thielemann.de 
 > wrote:

> Is there also anonymous access to the JHC bug+feature-tracker? I  
> like to add a request for multi-type parameter classes. These are  
> necessary to compile NumericPrelude, what most of my signal  
> processing code is based on. I need them for instance for vector  
> spaces in order to write frequency filters and interpolations that  
> work on both mono and stereo signals. I do not need functional  
> dependencies.
> numericprelude$ grep -rh LANGUAGE src | sort --unique
> {-# LANGUAGE FlexibleInstances #-}
> {-# LANGUAGE MultiParamTypeClasses #-}
> {-# LANGUAGE NoImplicitPrelude #-}
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