[Haskell-cafe] Backtracking when building a bytestring

[Axel Mannhardt]

Hi,

On Fr, 2016-06-24 at 10:23 +0100, David Turner wrote:
> I'm working on a network protocol that involves sending frames of data
> prefixed by their length and a checksum. The only realistic way to work out
> the length of a frame is to actually write the bytes out, although the
> length and checksum take up a fixed number of bytes.

this might be of interest to you - the explanation is in German though:

http://nfa.imn.htwk-leipzig.de/HAL2015/programm/slides/breitner.pdf

Cheers,
Axel

-- 
Axel Mannhardt
Master of Science (M.Sc.)

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