(j3.2006) (SC22WG5.3587) OPTIONAL arguments and C interop

Aleksandar Donev donev1
Wed Jul 16 16:43:29 EDT 2008

> I still don't understand the technical reason for this technical reason.
We are proposing that optional arguments be passed by address and a NULL 
address mean not-present, otherwise present. This obviously does not work if 
the argument is passed by value and not by address.

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