[Python] How do I return multiple values from Python to C++ via Pybind? [duplicate]

I have a C++ program that is taking in a function pointer from Python to some Python code and since Pybind doesn't really allow passing by reference for a modified argument, I want to use Python's multiple return values to return the modified argument and something else. Basically, if I have a Python function that looks like

def foo(var1):
return True, (var+1)


Is there a way to handle this on the C++ side other than bundle them into a class and pass it back that way? std::tuple, maybe?

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