[Haskell-cafe] Help needed for converting IOArray to ByteString
C K Kashyap
ckkashyap at gmail.com
Tue Feb 8 10:13:49 CET 2011
On Tue, Feb 8, 2011 at 2:26 PM, Michael Snoyman <michael at snoyman.com> wrote:
> Your array contains machine-sized Ints, which in practice are likely
> either 32-bit or 64-bit, while a ByteString is the equivalent of an
> array or 8-bit values. So you'll need to somehow convert the Ints to
> Word8s. Do you know if you need big or little endian?
> A basic approach would be:
> * Use freeze to convert your IOArray into an IArray
> * Use putIArrayOf and put (from cereal) to generate a Putter value
> * Use runPut to generate a ByteString from that
Actually, I need an array of 8-bit words - Is that available?
Also, would be hard to do it without cereal?
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