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Go vs Rust learning (programming.dev)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 63 points 1 year ago* (last edited 1 year ago) (10 children)

Go is like that abusive partner that gives you flowers and the next day makes you feel like shit. Then another day you go to an expensive restaurant and you tell yourself that maybe it's not so bad and they still care. And the cycle continues.

Rust is an autistic partner that sometimes struggles with telling you how much they care, is often overly pedantic about technical correctness and easily gets sidetracked by details, but with some genuine effort from both sides it's very much a workable relationship.

[–] [email protected] 43 points 1 year ago (9 children)

Yeah but Go has the best error handling paradigm of any programming language ever created:

ret, err := do_thing()

if err != nil {
    return nil, err
}

Don't you just love doing that every 5 lines of code?

[–] [email protected] 4 points 1 year ago* (last edited 1 year ago) (2 children)

I do think Zig is better for this kind of thing.

const ret = try do_thing();

if( ret ) | result | {
   do_something_with_result(result);
}

The try keyword returns any error up; the if-unwrap works with what came out of a successful call. Normally you wouldn’t have both, of course.

do_thing would be defined as a union of an error (a distinct kind of type, so it can be reasoned about with try, catch and unwrapping) and the wrapped return value.

[–] [email protected] 5 points 1 year ago (1 children)

That syntax looks atrocious

[–] [email protected] 2 points 1 year ago

Well, different floats for different boats I suppose.

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