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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: "Carlo Marcelo Arenas Belón" <carenas@gmail.com>,
	git@vger.kernel.org, hanwen@google.com
Subject: Re: [PATCH 3/3] fixup! reftable: add a heap-based priority queue for reftable records
Date: Thu, 02 Sep 2021 21:42:02 -0700	[thread overview]
Message-ID: <xmqqbl5agtid.fsf@gitster.g> (raw)
In-Reply-To: <YTFS2oQz9QEzBe0Q@coredump.intra.peff.net> (Jeff King's message of "Thu, 2 Sep 2021 18:40:26 -0400")

Jeff King <peff@peff.net> writes:

>> I agree that the patch as posted does not help but if this is
>> originally an assertion, then it should never trigger in real life,
>> so BUG() would be more appropriate than an error return, no?
>
> My thinking was that it doesn't make much sense as an assertion in the
> first place. It is not a side effect of "let's make sure things are as
> we expect while we're doing some other operation". The whole point of
> the function is: is this data structure properly in order.

Very true.  Ah, so you mean the way this function is supposed to be
used is to _call_ it, like so:

	if (!is_our_data_structure_healthy())
		BUG(...);

It makes it easier to reason about what the function is doing, I
guess.

> But I guess you could argue that calling the function is itself a form
> of assertion. I don't really care that much either way, so whatever
> Han-Wen prefers is fine with me (but I do think it is worth addressing
> the warning Carlo found _somehow_).
>
> -Peff

      reply	other threads:[~2021-09-03  4:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-02  5:30 [PATCH 0/3] hn/reftable: fixes for building with -DNDEBUG Carlo Marcelo Arenas Belón
2021-09-02  5:30 ` [PATCH 1/3] fixup! refs: RFC: Reftable support for git-core Carlo Marcelo Arenas Belón
2021-09-02  9:05   ` Jeff King
2021-09-02  9:26     ` Han-Wen Nienhuys
2021-09-02  5:30 ` [PATCH 2/3] fixup! reftable: add merged table view Carlo Marcelo Arenas Belón
2021-09-02  5:30 ` [PATCH 3/3] fixup! reftable: add a heap-based priority queue for reftable records Carlo Marcelo Arenas Belón
2021-09-02  9:09   ` Jeff King
2021-09-02 20:08     ` Junio C Hamano
2021-09-02 22:40       ` Jeff King
2021-09-03  4:42         ` Junio C Hamano [this message]

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