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Mon, 31 Dec 2018 11:17:40 -0800 (PST) Received: from rimwks ([2001:470:1f15:3d8:e9c9:7a24:8755:7ebe]) by smtp.gmail.com with ESMTPSA id d2sm9520735lfg.16.2018.12.31.11.17.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 31 Dec 2018 11:17:39 -0800 (PST) From: Rozhuk Ivan X-Google-Original-From: Rozhuk Ivan Date: Mon, 31 Dec 2018 22:17:37 +0300 To: Enji Cooper Cc: Warner Losh , Eric McCorkle , "freebsd-hackers@freebsd.org" Subject: Re: Speculative: Rust for base system components Message-ID: <20181231221737.13b6ef21@rimwks> In-Reply-To: <713BA6E4-1C4E-4890-831F-6379D3AB4425@gmail.com> References: <713BA6E4-1C4E-4890-831F-6379D3AB4425@gmail.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: B68AE8149C X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=PWoEh8GK; dmarc=pass (policy=none) header.from=gmail.com; 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PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[6.3.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-2.55)[ip: (-9.30), ipnet: 2a00:1450::/32(-1.80), asn: 15169(-1.56), country: US(-0.08)]; MID_RHS_NOT_FQDN(0.50)[] 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: Mon, 31 Dec 2018 19:17:43 -0000 On Mon, 31 Dec 2018 09:36:18 -0800 Enji Cooper wrote: > iii. It is more reusable > than C out of the box. How often do we need to rewrite common > logic/routines in C and mimic an OOP language like C++ (see > libarchive, pkgng)? This is not a problem. > > At the end of the day, I think the key is that the FreeBSD project > needs to start expressing more complicated subsystems in terms of OOP > languages, like C++, Rust, etc, instead of expressing most of the > code in C. I do think (for instance) a service management system > would be a good candidate for modern C++ or Rust. > C - 100 pages C++ - 1000 pages. Rust - unknown, not stable. Why some one should learn things so big to do same thing that can be done with simple C?