[Haskell-cafe] Data.Binary and little endian encoding

Don Stewart dons at galois.com
Thu May 14 23:46:10 EDT 2009


leimy2k:
> 
> 
> On Thu, May 14, 2009 at 8:40 PM, Don Stewart <dons at galois.com> wrote:
> 
>     leimy2k:
>     > I actually need little endian encoding... wondering if anyone else hit
>     this
>     > with Data.Binary. (because I'm working with Bell Lab's 9P protocol which
>     does
>     > encode things on the network in little-endian order).
>     >
>     > Anyone got some "tricks" for this?
> 
>     Yes!
>     There are big, little and host-endian primitives in the Get/Put monads.
> 
>        http://hackage.haskell.org/packages/archive/binary/0.5.0.1/doc/html/
>     Data-Binary-Put.html#v%3AputWord16le
> 
>     You can use these to build encoders directly.
> 
> 
> Cool... I just have to write my own encoder and decoder now.
> 
> As a request could we get encodeLe decodeLe for a later version of this
> library?  :-)  That'd be totally awesome.

Oh, you mean entirely different instances for all the current ones, that
use LE encodings? 

-- Don


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