From owner-freebsd-hackers@freebsd.org Wed Jan 2 13:54:24 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 11BB4141FBF0 for ; Wed, 2 Jan 2019 13:54:24 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: from puchar.net (puchar.net [194.1.144.90]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "puchar.net", Issuer "puchar.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 833218D152 for ; Wed, 2 Jan 2019 13:54:22 +0000 (UTC) (envelope-from wojtek@puchar.net) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.15.2/8.15.2) with ESMTPS id x02DsPW5074638 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 2 Jan 2019 14:54:25 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) Received: from localhost (puchar-wojtek@localhost) by puchar.net (8.15.2/8.15.2/Submit) with ESMTP id x02DsJ0i074635; Wed, 2 Jan 2019 14:54:20 +0100 (CET) (envelope-from puchar-wojtek@puchar.net) Date: Wed, 2 Jan 2019 14:54:19 +0100 (CET) From: Wojciech Puchar To: drosih cc: freebsd-hackers@freebsd.org Subject: Re: Speculative: Rust for base system components In-Reply-To: <4ea0612bbad08e61a15d495459b2bede@rpi.edu> Message-ID: References: <20190101045638.D280E1F56@spqr.komquats.com> <4ea0612bbad08e61a15d495459b2bede@rpi.edu> User-Agent: Alpine 2.20 (BSF 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed X-Rspamd-Queue-Id: 833218D152 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of wojtek@puchar.net designates 194.1.144.90 as permitted sender) smtp.mailfrom=wojtek@puchar.net X-Spamd-Result: default: False [-6.83 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[puchar.net]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[puchar.net]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[90.144.1.194.list.dnswl.org : 127.0.10.0]; NEURAL_HAM_SHORT(-0.91)[-0.908,0]; IP_SCORE(-3.62)[ip: (-9.53), ipnet: 194.1.144.0/24(-4.77), asn: 43476(-3.81), country: PL(0.03)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:43476, ipnet:194.1.144.0/24, country:PL]; MID_RHS_MATCH_FROM(0.00)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Jan 2019 13:54:24 -0000 >> >> >> Brian's simple experiment [1] demonstrates that "zero-cost" is >> more of an aspiration (and a very long term one, perhaps) than >> a hard fact ;-) > > Brian's simple experiment is a simple experiment. It's interesting, > but hardly the definitive word in evaluating a language. We need > more real-world experience with serious programs before dismissing wrong. you have to PROVE it's useful, not prove it's not useful.