xor comments on I love Rust

I love Rust (lemmy.blahaj.zone)

submitted 2 years ago by rustyfemboy@lemmy.blahaj.zone to c/programmerhumor@lemmy.ml

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On the left: Someone browsing through a huge book captioned "Implementing equality in other languages". On the right: A tiny book labelled with the Rust code `#[derive(PartialEq, Eq)]` captioned "Implementing Eq in Rust".

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[–] xor@lemmy.blahaj.zone 44 points 2 years ago (2 children)

It's nice that this exists these days, but my god is it horrendously unreadable at a glance

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[–] Ephera@lemmy.ml 7 points 2 years ago (1 child)

It makes it look like they're just adding random noise to avoid colliding with existing syntax. Maybe they can try a UUID next time...

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[–] flying_gel@lemmy.world 5 points 2 years ago

It makes perfect sense actually. I did write another comment here if you are interested.

This is how operator overloads were written going back to the initial version of C++ back in 1985. The only new thing is that we can now add = default to get the compiler to generate a default implementation that compares all the member variables for you.

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