I didn't even know about the composition package. I just wanted it to be
readily available to everyone.
A quick look, `composition` seems really nice and is probably more aligned
with Haskell ecosystem's philosophy of keeping base to what is only stricly
needed by GHC.
These were some valuable feedback. I think I got my answer and we can let
the thread die (:
Much appreciated,
Alex
On Aug 19, 2016 9:08 AM, "Alexander Berntsen"
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On 18/08/16 23:57, Mike Ledger wrote:
IMO: I've never seen a compelling use of this; I think it decreases clarity, and barely shaves off any characters from equivalent "pointful" expressions.
I think it quite compelling. An example:
asSeconds :: Hour h -> Minute m -> Second s -> Second t - -- | asSeconds take some 'TimeUnit's and convert them to 'Second's. asSeconds h m s = MkSecond $ 3600 * timeVal h + 60 * timeVal m + timeVal s
hmsToDiffTime :: Hour h -> Minute m -> Second s -> DiffTime - -- | 'hmsToDiffTime' converts time of day in hours, minutes and seconds to the - -- time from midnight as a 'DiffTime'. hmsToDiffTime = (secondsToDiffTime . timeVal) .:. asSeconds
As for putting it in base -- meh. I use the composition package, or define it myself. So I agree with Oleg; -1. - -- Alexander alexander@plaimi.net https://secure.plaimi.net/~alexander -----BEGIN PGP SIGNATURE----- Version: GnuPG v2
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