On 11/25/22 05:06, Victor Porton wrote: >> A function argument that is both input and output, may be passed to >> the function either as reference or do two assignments: on entry of >> the function it is assigned to the parameter, on exit it is assigned >> back.
The way I understand it with C, C++, and D, if there were such an assignment back, that could only be performed by the caller. I don't think the ABIs of those languages support that behavior.
I think there is only pass by reference for out parameters. Ali
