Formatting Text in C++: The Old and the New Ways

Re:Formatting Text in C++: The Old and the New Ways by i-use-nixos-btw on Saturday September 16, 2023 @07:52PM (#37540023)

Not until we get reflection. And reflection efforts seem to be at an impasse, so I don’t imagine we will see it for a few years at least.

I will add, though, that I’ve found copilot to be very handy when it comes to generating formatting. Last week I used it while writing fmt::formatter specialisations for a library with 50 structs, some having over 20 members. Writing all of them took about 10 minutes. I dare say the same would hold for operator<< overloads.

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Re:Formatting Text in C++: The Old and the New Ways by ComputerGuru on Sunday September 17, 2023 @01:43AM (#37541880)

Rust does not use reflection for this. Reflection support in rust isn’t actually much better than in C++.

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Re:Formatting Text in C++: The Old and the New Ways by i-use-nixos-btw on Sunday September 17, 2023 @05:08PM (#37549325)

I’m not a rust dev, but looking into how the Debug trait works, it’s basically what we’d need compile time reflection to get in C++.

It generates code that uses the class name and class members. In C++ we have no way of doing that (without hacky macro stuff).

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