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From: Junio C Hamano <gitster@pobox.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, "Lin Sun" <lin.sun@zoom.us>,
	"Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
	"David Aguilar" <davvid@gmail.com>, "Jeff King" <peff@peff.net>
Subject: Re: [PATCH 4/5] config.c: add a "tristate" helper
Date: Thu, 08 Apr 2021 16:51:52 -0700	[thread overview]
Message-ID: <xmqqtuogpc6f.fsf@gitster.g> (raw)
In-Reply-To: <875z0wicmp.fsf@evledraar.gmail.com> ("Ævar Arnfjörð Bjarmason"'s message of "Fri, 09 Apr 2021 01:23:58 +0200")

Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:

> I'd prefer to just make these "enum", which means we'll have the aid of
> the compiler in checking all the callsites, as in the patch-on-top
> (which I can squash appropriately, need to update the doc comments
> though) at the end of this E-Mail.

I think enum is oversold by some people (not me).  C Compilers won't
do much when you use them interchangeably with int, simply because
they are designed to be used that way, no?

If existing code used 0 as false and 1 as true, and it learns an
"auto" value with a new definition,

    #define TRISTATE_AUTO 2

without TRISTATE_{TRUE,FALSE} defined to 0 and 1, that would be a
good place to stop.  I'd be quite happy with that.


  reply	other threads:[~2021-04-08 23:51 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08 13:34 [PATCH 0/5] config: support --type=bool-or-auto for "tristate" parsing Ævar Arnfjörð Bjarmason
2021-04-08 13:34 ` [PATCH 1/5] config.c: add a comment about why value=NULL is true Ævar Arnfjörð Bjarmason
2021-04-08 18:10   ` Junio C Hamano
2021-04-08 13:34 ` [PATCH 2/5] config tests: test for --bool-or-str Ævar Arnfjörð Bjarmason
2021-04-08 18:21   ` Junio C Hamano
2021-04-08 23:11     ` Ævar Arnfjörð Bjarmason
2021-04-08 13:34 ` [PATCH 3/5] git-config: document --bool-or-str and --type=bool-or-str Ævar Arnfjörð Bjarmason
2021-04-08 18:22   ` Junio C Hamano
2021-04-08 13:34 ` [PATCH 4/5] config.c: add a "tristate" helper Ævar Arnfjörð Bjarmason
2021-04-08 18:33   ` Junio C Hamano
2021-04-08 23:23     ` Ævar Arnfjörð Bjarmason
2021-04-08 23:51       ` Junio C Hamano [this message]
2021-04-09  1:33         ` Ævar Arnfjörð Bjarmason
2021-04-09 12:53           ` Junio C Hamano
2021-04-08 23:54       ` Junio C Hamano
2021-04-09 20:05     ` Jeff King
2021-04-09 22:11       ` Junio C Hamano
2021-04-10  1:23         ` Jeff King
2021-04-10  1:43           ` Junio C Hamano
2021-04-08 13:34 ` [PATCH 5/5] config: add --type=bool-or-auto switch Ævar Arnfjörð Bjarmason
2021-04-08 18:36   ` Junio C Hamano

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