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Date: Fri, 30 Aug 2019 17:11:47 +0300
From: Alexander Turenko <alexander.turenko@tarantool.org>
Subject: [tarantool-patches] Re: [PATCH v2 1/3] box: rfc for stacked
 diagnostic area in Tarantool
Message-ID: <20190830141147.5gbqog5ik33cks7p@tkn_work_nb>
References: <cover.1566553968.git.kshcherbatov@tarantool.org>
 <7b663975f0307541a6751bde10547fc2c13b5679.1566553968.git.kshcherbatov@tarantool.org>
 <20190830125851.fjw5wgvchuwsens6@tkn_work_nb>
 <d58bf4f2-8c07-c800-7f42-82c84d7dd16f@tarantool.org>
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To: Kirill Shcherbatov <kshcherbatov@tarantool.org>
Cc: tarantool-patches@freelists.org, Konstantin Osipov <kostja.osipov@gmail.com>

On Fri, Aug 30, 2019 at 04:24:03PM +0300, Kirill Shcherbatov wrote:
> > I would also add err:prev() method like we did for, say,
> > box.tuple.update(t, <...>) and t:update(<...>).
> I am not sure, that it is a good idea. Obviously the list must be double-linked.
> Then, in current implementation, an error has a reference for it's reason.
> With double-linked list this would become more complicated and I really don't
> think that it is reasonable.  

I'm about a metamethod :prev() (in addition to box.error.prev()), not
about adding :next() or so.