[ScottPJones]

What about using Cxx.jl? You can have a nice little REPL for your C++ code. I haven't seen pybind11, does it give you that ability?

[stochastic_monk]

No, but cling [1] does.

I might be interested in trying cxx.jl, thank you for the pointer.

[1]: https://github.com/vgvassilev/cling