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[bug#31399] [PATCH] import: elpa: Implement recursive import.

From: Ludovic Courtès
Subject: [bug#31399] [PATCH] import: elpa: Implement recursive import.
Date: Fri, 25 May 2018 14:00:33 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

Hi Oleg,

Oleg Pykhalov <address@hidden> skribis:

> I stole recursive importer from ‘cran’ and made it for ‘elpa’, the patch
> is attached.  I don't like it and want to share the code with ‘cran’
> importer, but I don't know how to do it without increasing complexity.

Indeed.  Ricardo and I discussed this in the past and Ricardo started
implementing something:

It would be great to resume work on this, especially since we have other
importers that would immediately benefit from it (CRAN, Go, Crates).

The solution I proposed back then was to have importers return a SRFI-41
lazy stream of package definitions.

Perhaps there are other ways to achieve this, like simply letting the
top-level importer code check whether a package input is missing and



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