Alt text:
A screenshot from the linked article titled “Reflection in C++26”, showing reflection as one of the bullet points listed in the “Core Language” section
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For runtime reflection, no, you’d specifically be able to do things that would be impossible to optimize out.
But the proposal is actually for static (i.e. compile-time) reflection anyway, so the original performance claim is wrong.
Yeah, that’s what I was thinking of. I don’t know how C++ could reasonably have Java-like reflections anyway…
