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([2001:470:8b2d:1a:9bab:c177:73b2:20a9]) by smtp.gmail.com with ESMTPSA id g1sm2546702qkh.52.2017.04.07.13.12.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Apr 2017 13:12:34 -0700 (PDT) In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400d:c0d::22b X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:213782 Archived-At: On 2017-04-07 15:41, Noam Postavsky wrote: > On Fri, Apr 7, 2017 at 3:25 PM, Clément Pit-Claudel > wrote: >> On 2017-04-07 15:07, Noam Postavsky wrote: >>> If you do (cl-defstruct person age height), you >>> don't care whether 'age' goes before 'height', just that person-age >>> gives you the age field. >> >> Sometimes you do — for example, you might know that multiple structures in your application have the same data in their first field, and if so (aref x 1) should work. > > In that case, you should be probably be using :include for the common > parts, or else :type to explicitly use vectors. Very good point. > I'm sure you can come up with exceptions to that too though :) Hum. Users who don't read the manual closely enough ? 😳 :)