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From: Junio C Hamano <gitster@pobox•com>
To: Matthieu Moy <Matthieu.Moy@grenoble-inp•fr>
Cc: Yao Zhao <zhaox383@umn•edu>,
	mhagger@alum•mit.edu, peff@peff•net, git@vger•kernel.org
Subject: Re: [GSOC 2014]idea:Git Configuration API Improvement
Date: Thu, 20 Mar 2014 10:36:20 -0700	[thread overview]
Message-ID: <xmqqbnx0zsa3.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <vpqd2hh5j7k.fsf@anie.imag.fr> (Matthieu Moy's message of "Thu, 20 Mar 2014 10:10:23 +0100")

Matthieu Moy <Matthieu.Moy@grenoble-inp•fr> writes:

> Why?
>
> (In general, explaining why you chose something is more important than
> explaining what you chose)

Good educational comment.  Thanks.

> A tree (AST, Abstract syntax tree) can be interesting if you have some
> source-to-source transformations to do on the configuration files (i.e.
> edit the config files themselves).
>
> For read-only accesses, I would find it more natural to have a
> data-structure that reflects the configuration variables themselves, not
> the way they appear in the config file.

... and one important thing that was left unsaid is that the
read-only accesses happen far more often than updates, so the data
structure must be optimized for the read-only look-up case.

  reply	other threads:[~2014-03-20 17:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-20  7:23 [GSOC 2014]idea:Git Configuration API Improvement Yao Zhao
2014-03-20  8:47 ` Michael Haggerty
2014-03-20  9:10 ` Matthieu Moy
2014-03-20 17:36   ` Junio C Hamano [this message]
2014-03-20 21:15   ` Yao Zhao
2014-03-21  8:23     ` Matthieu Moy
     [not found]       ` <CAP4BmmHAuWYgeMvk11ywJ5eXQunCWPepGEE3UTKfiVn60RQVrw@mail.gmail.com>
2014-03-21 13:42         ` Matthieu Moy

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