[Haskell] Read Instances for Data.Map and Data.Set

Simon Marlow simonmar at microsoft.com
Mon Oct 24 06:35:04 EDT 2005


On 22 October 2005 06:21, Donald Bruce Stewart wrote:

> The ones I can think of off the top of my head. Of course, these are
> weird for various reasons though:
> 
>     > show $ toDyn (1::Int)     -- Dynamic has no Read
>     "<<Int>>"
> 
>     > show $ typeOf (1::Int)    -- TypeRep as no Read
>     "Int"

That reminds me, the Show instance for Exception is similarly bogus.

Cheers,
	Simon


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