traits 
TIL about Zero-sized Types in Rust.
I was reading my timeline on BlueSky, and stumbled upon this article about some Rust library that got rewritten. While the hpke-ng library itself is nice and interesting in itself, it was not the main thing I got out ot if.
It was a nice explanation of a concept I’ve seen before in various Rust libraries: Zero-sized types. And the associated
traits that go with these.
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