Haskell platform proposal: time-extras package

Malcolm Wallace malcolm.wallace at cs.york.ac.uk
Sat Mar 20 18:42:20 EDT 2010


> The "time" package, which is already in the Haskell Platform, is  
> currently restricted to Haskell 98. This means that it cannot, for  
> instance, export instances of the Data class (since this requires  
> Rank2 or RankN).

Correct me if I am wrong, but the "time" package already uses  
extensions beyond Haskell'98.  It certainly imports the ReadP library,  
which requires Rank2, and so no pure Haskell'98 compiler can build the  
time package.

Regards,
     Malcolm



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