Colon within the condition in a 'for' loop

Question

int x[10] = {1,2,3,4,5,6,7,8,9,10};
for (int y : x){ // What does the colon do?
switch (y) {
case 1: cout << "A";
case 3: cout << "B";
case 7: cout << "C";
case 8: cout << "D";
}
}

Answer 1

AteFish, did you mean 'assign the elements of the array to y' instead?