[Haskell-cafe] Examples of using STUArray + help with converting code

Tomasz Zielonka tomasz.zielonka at gmail.com
Thu Oct 13 14:09:56 EDT 2005

On 10/13/05, joel reymont <joelr1 at gmail.com> wrote:
> Folks,
> Are there any examples on using STUArray and friends? I'm trying to
> convert the following bit of code which uses deprecated features.
> I don't understand the syntax needed to create a new double or float
> array with newArray from Data.Array.MArray.

do arr  <- newArray_ (1,2) :: ST s (STUArray s Int Double)
   writeArray arr 1 d

The type signature is to remove the ambiguity in type-class

> I also don't yet
> understand how to cast that double array to read ints from it.


Best regards

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