Yeah, Rust can't have proper reflection, since there's no external runtime environment that keeps track of your state. Any such smartness either has to be compiled-in (which is how std::any and macros work) or you can implement something to keep track of this state at runtime, as if you were partially building a runtime environment.

[–] BatmanAoD@programming.dev 12 points 7 months ago (5 children)

Minor point of clarification: it can't have runtime reflection, but in principle it could have compile time reflection.

[–] anlumo@feddit.de 0 points 7 months ago (3 children)

No, the Rust Project recently made sure that Rust can't have compile-time reflection.

[–] bwrsandman@lemmy.ca 1 points 7 months ago (1 children)

Can you expand on this? I'd love to read more on the subject.

[–] anlumo@feddit.de -1 points 7 months ago

Here is a short summary. The compile-time reflection project was stopped, and now nobody wants to touch that subject any more due to fear of getting the wrath of the Rust project again (the person responsible for the whole thing is still part of the leadership).

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