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Fri, 24 Nov 2023 12:01:44 -0500 (EST) Content-Language: en-US In-Reply-To: Received-SPF: pass client-ip=66.111.4.25; envelope-from=dmitry@gutov.dev; helo=out1-smtp.messagingengine.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-1.592, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:313176 Archived-At: On 24/11/2023 05:34, Richard Stallman wrote: > > >> > (`(,hookfun . (,start ,end ,collection . ,plist)) > > > I was not sure which part of the line that rule applies to. > > > > > >> > (`(,hookfun ,start ,end ,collection . ,plist) > > > Would that be equiva;ent? > > I as a reader, trying to understand what that pcase construct did, did > not know they would be equivalent. So this specific piece of > cleverness specifically interfered with my understanding that example > and therefore with my trying to understand pcase. Most of the semantics-conveying tricks with advanced tools require a certain level of familiarity with the tool in question. Much like how one has to master a foreign language on a certain level to understand a lot of idioms. But then those idioms help understand each other better and more comprehensively.