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envelope-from=phs@lmf.cnrs.fr; helo=mx.lmf.cnrs.fr X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Wed, 22 May 2024 10:48:36 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:285633 Archived-At: When I need a list of 100 random dice throws I write (cl-loop for i from 1 to 100 collect (random 6)) It compiles just fine. If instead I use (cl-loop for _i from 1 to 100 collect (random 6)) then I get a compilation warning: foo.el:1:18: Warning: variable ‘_i’ not left unused It should be the other way around. The variable 'i' is unused in the first form and that deserves a warning at compile time. Otherwise the compiler will not help me catch the typo in (cl-loop for i from 0 to 10 do (cl-loop for j from 0 to 10 do (foo j j))) ;; <<<=== typo, I meant (foo i j) --ph.schnoebelen, happy and thankful GNU Emacs user since 1983 (Thanks to all involved!!)