aeson and dlist in HP 2013.4.0.0

Gregory Collins greg at
Tue Nov 26 12:46:35 UTC 2013

Is there a way to include packages as second-class in the platform? I.e.
"this package isn't 'blessed' but for now it's required by a package we
really do want." Then we could work later to either bring the dependencies
into the platform or rework the platform packages to exclude the
non-platform dependency.

On Tue, Nov 26, 2013 at 5:19 AM, Mark Lentczner <mark.lentczner at>wrote:

> My view of the conversation so far:
> 1) Aeson option 3 or 4 is desirable - we all want aeson, we don't want
> blaze-builder
> 2) dlist has generated a fair bit of discussion, but no clear agreement.
> 3) no one has weighed in on scientific
> We need to come to rough consensus on these issues soon if we are to get
> to aeson in this round.
> My opinion, with my "HP Release Manager" hat on: I'd like to see a version
> of aeson-0.7 that didn't use dlist (just, ick, duplicated what it used in
> it's innards), and either had the Scientific removed, or as part of aeson
> itself (rather than as a separate package). I recognize the
> sub-standardness of this solution, though it is forward compatible with
> future evolutions (such as exposing dlist, and/or scientific).
> - Mark
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> Libraries at

Gregory Collins <greg at>
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