[Haskell-cafe] Language extensions

[Andrew Coppin]

Henning Thielemann wrote:
> On Sun, 27 May 2007, Andrew Coppin wrote:
>
>   
>> Personally, I try to avoid ever using list comprehensions.
>>     
>
> Me too. Successfully, I have to add.
>
>   
>> But every now and then I discover an expression which is apparently not
>> expressible without them - which is odd, considering they're only
>> "sugar"...
>>     
>
> Example?
>   

Until I learned the trick of using lists as monads, I was utterly 
perplexed as to how to get a Cartesian product - or why there's no 
library function to do this!

Thanks to the chapter on Logic Combinators, I've learned a trick or two 
about monadic list trickery... muhuhuhuhu!