[Haskell-cafe] dimension of arrays

[Fred Nicolier]

Josef Svenningsson wrote:

>In a sense Haskell arrays are always one dimensional. But as you noted
>tuples are used to achieve higher dimensionality. As far as I know there
>is no way of asking for the dimension of an array. You could write your
>own class for that though. Here's a suggestion:
>
>\begin{code}
>dims :: (Ix a, HasDimension a) => Array a b -> Int
>dims arr = dimension (head (range arr))
>
>  
>
with the following correction, it is ok.

dims arr = dimension (head (range $ bounds arr))

thanks at lot
Fred





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Dr. Frederic Nicolier
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