[Haskell-cafe] A very nontrivial parser
andrewcoppin at btinternet.com
Fri Jul 6 13:17:36 EDT 2007
Donald Bruce Stewart wrote:
>> Personally, I just try to avoid *all* language extensions - mainly
>> because most of them are utterly incomprehensible. (But then, perhaps
>> that's just because they all cover extremely rare edge cases?)
> Some cover edge cases, some are just useful. What about:
> * the FFI
> * bang patterns
> * pattern guards
> * newtype deriving
> Surely, fairly simple, useful. Used a lot? :-)
* The FFI - isn't that now officially "in" the language? (I thought
there was an official report amendment.) Either way, I can't do C, so...
it looks pretty incomprehensible from here. ;-)
* Bang patterns - what's that?
* Pattern guards - that's not in the language?
* Newtype deriving - what's that?
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