Date: Mon, 31 Dec 2018 05:31:22 -0800 From: Bakul Shah <bakul@bitblocks.com> To: Eric McCorkle <eric@metricspace.net> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Speculative: Rust for base system components Message-ID: <20181231133130.0711E156E410@mail.bitblocks.com> In-Reply-To: Your message of "Sun, 30 Dec 2018 21:18:33 -0500." <ca76e5f7-6e59-bd67-144a-90ad66f0252e@metricspace.net> References: <ca76e5f7-6e59-bd67-144a-90ad66f0252e@metricspace.net>
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On Sun, 30 Dec 2018 21:18:33 -0500 Eric McCorkle <eric@metricspace.net> wrote: > > Go is not really a "systems language" in the sense that C or Rust are. > It isn't a replacement for C so much as a replacement for python. > > What's more, it is almost universally disliked by people with a > background in programming languages (I am one of those). There's a > couple of reasons for this. First, it omits a number of features that > modern languages *really* should include, parameterized types (generics) > being one of the most glaring. Beyond that, it completely ignores > anything produced by modern PL research (unlike Rust, which benefits > from that work). Second, one of its main design parameters was "it > should compile fast". This as a design constraint basically guarantees > that you can't do anything interesting in compilation, which rules out > both advanced type systems as well as serious optimization. > > Unlike Rust, which offers substantial security and stability benefits > through its type system, Go would do little more than just change the > syntax of a bunch of code. Moreover, it's likely that there would be > performance consequences, given the design constraint of fast compilation You haven't used Go at all, have you? No one is suggesting Go be included in the base system but please stop spreading FUD. While this is not the place to discuss Go, it is perfectly usable for writing typical "systems" programs. Though I wouldn't recommend it for writing kernel code.
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