From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 30 Mar 2017 06:08:59 GMT
Subject: Re: [PATCH v4 2/5] dir_iterator: iterate over dir after its contents
Message-ID: <xmqqinmr70uc.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <e412ef09-276b-92df-d2c0-0bf2f80238d2@alum.mit.edu>

Michael Haggerty <mhagger@alum.mit.edu> writes:

> I think IN_ORDER really only applies to *binary* trees, not arbitrary
> trees like a filesystem.

How true.  Even if we were giving a sorted output (and dir-iterator
doesn't and there is no need for it to), dir/ should come before any
of its contents, so for that application we can use pre-order, and
there is no sensible and useful definition of in-order.

Thanks.