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Does anyone know the correct syntax for doing this? struct A

{ int a; };
struct B : public A { int b; };
B b{.A={.a=1}, .b=2};

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AFAIK it .named intializer format is only directly valid in C so in C++ it uses intializer lists, so you need to match the constructor input to get that to work. So like your professor or that rude guy in another grp might have said, always define constructors...

Stanislav Ershov
C++20 supports designated initializers

Yes I know but they use initializer lists aka constructors

BSP- Автор вопроса

I want something like B{:A{.a=1}, .b=2} to be valid.

BSP
I want something like B{:A{.a=1}, .b=2} to be vali...

Nesting isn't valid in initializers as they are now in C++ iirc

Well if you don't want to define a constructor, you'll probably have to use mixture of designated and non-designated initializers in the same initializer list which is ugly imo but \(_-_)/

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