DanielaKEngert

joined 2 years ago
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On harmful overuse of std::move - The Old New Thing in c/cpp@programming.dev
[–] DanielaKEngert@hachyderm.io 1 points 10 months ago (1 children)

@lysdexic You claimed otherwise:
"
These std::move invocations are harmless, as they only cast objects to their rvalue reference.
"
If you were right, we wouldn't have the motivation to look at this in EWG.

On harmful overuse of std::move - The Old New Thing in c/cpp@programming.dev
[–] DanielaKEngert@hachyderm.io 1 points 10 months ago (3 children)

@lysdexic I did.

On harmful overuse of std::move - The Old New Thing in c/cpp@programming.dev
[–] DanielaKEngert@hachyderm.io 1 points 10 months ago (5 children)

@lysdexic @QuadriLiteral Eh, no. Really. Changing the value category disables RVO

On harmful overuse of std::move - The Old New Thing in c/cpp@programming.dev
[–] DanielaKEngert@hachyderm.io 3 points 10 months ago (1 children)

@QuadriLiteral @lysdexic We've been looking at a paper just recently in Kona, where the author proposed to not penalize "unfortunate" uses of std::move. I think this is user friendly and you might imagine what I've been voting for.

Speed Up C++ Compilation in c/cpp@programming.dev