Clean ways to write multiple 'for' loops

Question

For an array with multiple dimensions, we usually need to write a for loop for each of its dimensions. For example:

vector< vector< vector         


        

Answer 1

Use something along these lines (its pseudo-code, but the idea stays the same). You extract the pattern to loop once, and apply a different function each time.

doOn( structure A, operator o)
{
    for (int k=0; k