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Comment by ianpurton | Hacker News Reader

It's not enough.

As a rust guy I get way more features in the language that help me write error free software.

As person who uses both Rust & Go at my $DAYJOB, I would say, both have their merits and demerits, I think, we should view them as tools instead of attaching ourselves to any particular language emotionally. I like to think them as different tools for different use-cases. Use the right tool for the right job. In my opinion, go does an excellent job at networking (TLS/HTTP) & quick cli apps while rust shreds text & does an amazing job at memory management (this is a figurative example; don't drone me if I missed your favorite feature).

I often see people recommend Go for CLI apps but I'm not sure why. The built-in `flag` package is really limiting. These days I mostly use Rust with `clap` which is the nicest flag-parsing experience I've found so far in any language.

Are you using "clap" because the "built-in" one in rust is not good? :P

There is no "built-in" command line parser in Rust. All it has is std::env::args (https://doc.rust-lang.org/std/env/fn.args.html) and std::env::args_os (https://doc.rust-lang.org/std/env/fn.args_os.html), which give you the raw command line. Rust does not follow the "batteries included" philosophy for its base standard library, to avoid "leaking batteries" problems like seen for instance with Python (https://news.ycombinator.com/item?id=19948642).

I know there is no flag library built-in in rust (I do quite a lot of rust as well as go). That's my whole point. It should be compared to something like https://github.com/urfave/cli . That would be a fairer comparison.

Sure, for example I usually use Cobra. But what I meant was that people often mention Go as being explicitly preferable to Rust for CLIs, and I’m not sure why if I have to pull in a dependency in either case.

Nobody is pushing you to use Go. Nobody is telling you Rust is bad. There is no language war. It's not an either/or. Stick with Rust if you're happy with it, nobody is attacking you over it.

So, for you, it won't be enough until Go (and possibly every other language that is different from Rust) is "rustified" and turned into a rust-like clone? ... just why?

And BTW, Go is very safe! it has automatic memory management, and managed concurrency for writing bug-free concurrent code.

The "lack" of "features" that are prevalent in other languages is a virtue of Go, not a flaw.

Go is a very opinionated language that lacks many features on purpose. If you want complex languages Go is definitely not a good choice.

Go write Rust then, what's the problem?

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