[Haskell-cafe] Specify array or list size?

Daniel Carrera dcarrera at digitaldistribution.com
Sat May 7 17:58:29 EDT 2005

Glynn Clements wrote:

> For lists, no. For arrays, in the general case, again no. For your
> specific case, you can use an array whose indices have type Word8 (8
> bit unsigned integer), i.e.
> 	import Data.Word
> 	import Data.Array
> 	type ByteMap = Array Word8 Word8
> For an RC4 implementation, you should probably be using Word8
> throughout rather than Int or Integer.

Thanks for the pointer! Okay, I'll start learning how Arrays and 8-bit 
words work. That'll keep me busy for a few days. :-)


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