From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Compiler macro for apply-partially Date: Wed, 25 Aug 2021 14:27:32 -0400 Message-ID: References: <87a6l74abo.fsf@alphapapa.net> <87k0k9beqc.fsf@ericabrahamsen.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9936"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Adam Porter , emacs-devel@gnu.org To: Eric Abrahamsen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Aug 25 20:28:41 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mIxdg-0002Hx-3y for ged-emacs-devel@m.gmane-mx.org; Wed, 25 Aug 2021 20:28:40 +0200 Original-Received: from localhost ([::1]:48878 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIxde-0006Nc-Eu for ged-emacs-devel@m.gmane-mx.org; Wed, 25 Aug 2021 14:28:38 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34912) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIxcn-0005f1-Hk for emacs-devel@gnu.org; Wed, 25 Aug 2021 14:27:45 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:51841) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIxcg-0008Vq-SH for emacs-devel@gnu.org; Wed, 25 Aug 2021 14:27:44 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 1557E809C6; Wed, 25 Aug 2021 14:27:36 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 5D673805EF; Wed, 25 Aug 2021 14:27:34 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1629916054; bh=mEDVC/MC3wbksOjnNWAnjPMXtnntBygc7E9koJ1sTBY=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=g7ehvYIvruAnI14jCSqqJyS1gJz5EN/eMjVML7gPjcjSw4yVQKw9NTcXvoOyTy0c8 A1Cb6/BF1PcMTQEAbkNY3Fw8BZYFEUT827/2UMi6T+jJXuCd6y2j6TwczWaoDpu41G MG5zR4jtDlheNFJ0b7oQrzRi+bgR5yUmNkINq/93qB8Y7g6NQyqEL3Rls2sD9aH5Ry qBlkf3h63jryMc+IQfXO7vWPU4nqUMKBovLlXVomtRX5B3X/LbvtxZoCi+k6fOdmvk R4iQY93sO9sRAU69YxYbNCtt4sfgw+ekiqQgAcqhUzLhQ8WEmStEU9NbyOghBAv9rz 4ymNe8hdoVdJw== Original-Received: from alfajor (unknown [104.247.244.135]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id F06D2120315; Wed, 25 Aug 2021 14:27:33 -0400 (EDT) In-Reply-To: <87k0k9beqc.fsf@ericabrahamsen.net> (Eric Abrahamsen's message of "Wed, 25 Aug 2021 10:45:15 -0700") Received-SPF: pass client-ip=132.204.25.50; envelope-from=monnier@iro.umontreal.ca; helo=mailscanner.iro.umontreal.ca X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:272987 Archived-At: > For us slower kids, this explicit approach might look like: > > (cl-flet ((curried (arg3) > (function-to-apply-partially arg1 arg2 arg3))) > (curried "arg3")) > > Either that or just plain `let' a lambda, and then `funcall' it? I just meant that instead of writing (apply-partially #'foo arg1 arg2) you write (lambda (arg3 &optional arg4 ...) (foo arg1 arg2 arg3 arg4 ...)) A compiler macro can't easily do it for you because it's between hard and impossible to automatically guess the (arg3 &optional arg4 ...) part. Stefan