Proposal: pare down traversable

[Kim-Ee Yeoh]

On Thu, Oct 8, 2015 at 4:24 AM, Mark Lentczner <mark.lentczner at gmail.com>
wrote:

> The whole shebang, from FTP through MRP and whatever else you have up your
> sleeves should NEVER have been foist piecemeal onto the current system. If
> you really want those things - package them as a cohesive whole - find a
> way to use them in your code bases for two years (alternate Prelude) -
> prove they work, iron out the mistakes - THEN make a single large wholesale
> change - probably along with a Haskell report.


I agree with Mark that FTP (seen in the light of MRP) is incomplete and
piecemeal. The half-baked nature already causes productivity losses, see

https://ghc.haskell.org/trac/ghc/ticket/10830

Otoh, I doubt that David is singularly to blame for this ("whatever else
you have up your sleeves") nor are his intentions, like many a derring-do
haskeller's, any less than sincere in wanting to improve things.

Thing is, a new Haskell report sounds terribly onerous and folks make it
easy on themselves to make the changes they want to see. A new Haskell
report seems to require tremendous ounces of foresight, focus, and
conviviality among stakeholders to pull it off.

-- Kim-Ee
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