On: Why should I have written ZeroMQ in C, not C++ (20...

[Koshkin]

Hmm... Do you really need to wrap a pointer in std::optional?

[int_19h → Koshkin]

It forces anyone trying to use it to contemplate the no-value case.

[kllrnohj → Koshkin]

Replace the pointer with a value type and now you'd see why the optional is necessary.

Similarly I'd probably substitute the optional with a variant that has the actual error code. Go nuts with whatever you want here.

[Koshkin → kllrnohj]

> Go nuts

Let's make error code optional, too.