Re: debugging

[Manuel M. T. Chakravarty]

[EMAIL PROTECTED] (S.D.Mechveliani) wrote,

> Mark Engelberg  <[EMAIL PROTECTED]>  wrote on  20 Sep 1999 
> 
> 
> > How do you guys debug your Haskell programs?  As far as I can tell, none of
> > the compilers support any sort of source debugging.
> 
> 
> Indeed. In earlier GHC versions there was the Trace library with the
> `trace' function. 
> Where it is now?

 module IOExts where

 [...]
 trace :: String -> a -> a
 [...]

To import it, use -fglasgow-exts.

Manuel