Qs about structs and their references WRT C functions and variables

[Frits van Bommel]

Rick Mann wrote:
> Jarrett Billingsley Wrote:
> 
>> Right.  'out' implicitly passes the struct by reference, so if the struct 
>> parameter is a return value, then 'out' is the right way to go.  That it 
>> works with C libraries is something that I didn't know, and something very 
>> cool..
> 
> It makes for tidy calls where the parameter is used for output. However, I can't seem to do the same for an input parameter. I'd like to do the equivalent of the following C code:
> 
> void func(const SomeStruct& inS);
> 
> This is identical to
> 
> void func(const SomeStruct* inS);
> 
> but allows me to call it without adding the & in front of the parameter. It's a bit inconsistent that I can do this with an "out" parameter, but not an "in" parameter.

You could use inout. It's basically a C++ non-const reference.