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this post was submitted on 25 Sep 2023
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Programming
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Oh man ... I haven't learnt rust myself, but this fits with my sterotyped impression of it ... wanna read a file ... well, let's just wrestle with the type system and compiler for half an hour first!
Not a criticism ... I get the value of the type system and all that, but as an introduction to the language, diving into all that straight away before you do any actual computation is probably not the best way to go.
Static types aside, the file system has a lot of failure cases, which every language is affected by, and Rust makes them very visible. This can indeed feel like a lot, but it's an intentional feature and makes more sense in larger projects. I guess the feeling may get amplified by the author's style of long form posts with a lot of details.
Error handling in practice contains a lot of "let the caller deal with it", using the
?operator to pass errors up the call stack. The more verbose options are for when you need to actually handle it.Oh for sure, like I said this makes a lot of sense. All I was saying was that as a pitch for learning the language, the part after the file read had been sorted was much more compelling and interesting.
Absolutely, I didn't mean to suggest otherwise. :) I'm just giving a bit of context and perspective from someone who has used it for a while.