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C++ try not to add footguns challenge (impossible) (lemmy.world)

submitted 3 weeks ago by [email protected] to c/[email protected]

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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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[–] [email protected] 12 points 3 weeks ago (9 children)

I can see the footguns, but I can also see the huge QoL improvement - no more std::enable_if spam to check if a class type has a member, if you can just check for them.

... at least I hope it would be less ugly than std::enable_if.

[–] [email protected] 6 points 3 weeks ago* (last edited 3 weeks ago) (4 children)

There's a pretty big difference though. To my understanding enable_if happens at compile time, while reflection typically happens at runtime. Using the latter would cause a pretty big performance impact over a (large) list of data.

[–] [email protected] 1 points 2 weeks ago

C++26 reflection is compiletime

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