this post was submitted on 15 Nov 2023
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Programmer Humor

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Oh yea, that's the good stuff huffs glue (programming.dev)
submitted 1 year ago by tatterdemalion@programming.dev to c/programmer_humor@programming.dev
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[–] GissaMittJobb@lemmy.ml 2 points 1 year ago (1 children)

That's kind of wild, I double-checked and it's true.

Although I disagree with the second part, the Rust folks wouldn't care about the in-memory representation as long as the compilation is on point.

Looking closer at the final enum, I guess it's because there are nine possible cases for it, making the compiler pack it into 4 bits, with one number representing each? I checked and None is represented as 8, while 7 Somes containing a None is 0 and the full 8 Somes is represented by 1.

[–] tatterdemalion@programming.dev 6 points 1 year ago

the Rust folks wouldn’t care about the in-memory representation as long as the compilation is on point.

Well I can't speak for everyone, but Rust is very intentional about supporting things like repr(C). At least some of us care a lot.