Question

I have a vector of pointers to Machines:
That is,

vector<Machines*> m;

I populate the vector with pointers and I know the number of machines that exist.
If I created a pointer to a pointer of Machines to the start of the vector:

Machines** m2;
m2 = & m[0];

would I be accessing the vector members as I increment that ‘0’?

m2[0]->dostuff;
m2[1]->dostuff;
...

It seems doable to me but I’m not sure if that’s allowed. 🙂

Thank you in advance!

Answer 1

It’s allowed, but do you realize you can do the following and there is no reason to use Machines** m2;?

vector<Machines*> m;
// Fill vector here
m[0]->dostuff(); // I assumed dostuff was a function
m[1]->dostuff();