Hello!
[a somewhat older mail]
On Mon, Nov 27, 2000 at 08:53:05PM +0100, Michal Gajda wrote:
> [...]
> I often use Haskell in imperative style(for example writting a toy
> [...]
I also do. Perhaps not super-often, but more than once.
- A program to interface to BSD's /dev/tun* and/or /dev/bpf* to
simulate network links with losses/delays (configurable).
~150 lines of C + ~ 1700 lines of Haskell with some GHC extensions.
One efficiency optimization was that I used network buffers
constructed out of MutableByteArray#s together with some
administrative information (an offset into the MBA to designate
the real packet start - necessary to leave room for in-place header
prefixing / removal, the real packet length, the buffer length ...).
Written single threaded with manual select calls (no conc Haskell).
- HTTP testers (two of them with slightly different tasks).
- file generators/translators (diverse, e.g. a generator for test
scripts for one of the above-named HTTP tester)
Of course, the latter often are something like
foo <- readFile bar
let baz = process_somehow foo
writeFile blurb baz
Kind regards,
Hannah.
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