[Haskell-cafe] Re: Aim Of Haskell

Joachim Durchholz jo at durchholz.org
Tue Dec 12 18:04:39 EST 2006

Andreas Rossberg schrieb:
> Claus Reinke wrote:
>> but on the Pascal note: is there anything in Pascal that Haskell doesn't
>> provide, and improves on (nested procedures, procedure parameters,
>> distinguishing in and out parameters, types, ..)?
> Subrange types, maybe? But I'm sure Oleg will show us that Haskell 
> already has them. :-)

Assigning to subrange types often requires a runtime check, so they 
can't be that easily mapped. (Unless you wrap them in Maybe or 
Exception, which I'd consider cheating.)


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