[Haskell-cafe] Language simplicity

Martin Coxall pseudo.meta at me.com
Wed Jan 13 03:51:24 EST 2010

On 12 Jan 2010, at 22:22, Andrew Coppin wrote:

> Niklas Broberg wrote:
>>> Haskell '98 apparently features 25 reserved words. (Not counting "forall"
>>> and "mdo" and so on, which AFAIK are not in Haskell '98.)
>> 21 actually. case, class, data, default, deriving, do, else, if,
>> import, in, infix, infixl, infixr, instance, let, module, newtype, of,
>> then, type, where. There's also three special words that can still be
>> used as identifiers, so aren't reserved: as, qualified, hiding.
> OK. Well the list I saw was for Haskell plus extensions, and I visually filtered out the inapplicable stuff. Apparently I missed something.
> Also, the number varies depending on whether you consider "reversed words" or "keywords", 

Aye, there's a subtle distinction between keywords and reserved words, but I think for the purposes of this discussion, they're the same thing.


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