[Haskell-cafe] Monad vs ArrowChoice

2008-05-14 Thread Ronald Guida
I have read that Monad is stronger than Idiom because Monad lets me use the results of a computation to choose between the side effects of alternative future computations, while Idiom does not have this feature. Arrow does not have this feature either. ArrowChoice has the feature that the sum

Re: [Haskell-cafe] Monad vs ArrowChoice

2008-05-14 Thread Twan van Laarhoven
Ronald Guida wrote: I have read that Monad is stronger than Idiom because Monad lets me use the results of a computation to choose between the side effects of alternative future computations, while Idiom does not have this feature. Arrow does not have this feature either. ArrowChoice has the