Hello Alson, Tuesday, February 21, 2006, 11:33:49 PM, you wrote: AK> As a Haskell new-ish-bie, the various Array interfaces AK> seem a bit inconsistent and make learning/using arrays AK> complicated. I *do* understand how to use arrays in AK> Haskell, but I think that the interface could be AK> cleaned up. sorry, but i think that you don't understand the whole situation. btw, are you read http://haskell.org/haskellwiki/Arrays ? AK> Examples of current confusions: AK> IArray and Array are dupes (obvious); Array is a type constructor, while IArray is a class AK> listArray for IArray, but newListArray for MArrays; AK> "!" for IArray, but readArray for MArrays. they have different types (!) :: IArray -> Ix -> Element readArray :: MArray -> Ix -> IO Element can you unify these two operations - one monadic and one pure to common type signature? AK> Proposal: I would propose the following for Haskell': AK> "Array" is the interface for arrays; drop IArray; AK> "MArray" is the interface for arrays in monads (IO, AK> ST, etc); and these two interfaces should support operations with the same names but different types? :) i partially agree with your other suggestions -- Best regards, Bulat mailto:Bulat.Ziganshin@gmail.com