What is role of void keyword in declaring functions ???

Question

example if possible !!! [in detail] !!!

Answer 1

https://www.sololearn.com/Discuss/129524/?ref=app

Answer 2

void functions doesnt return a value
void func() {
int x = 5;
int y = 3;
int sum = x + y;
std::cout << sum;
}
with an int function you can return the value
int func() {
int x = 5;
int y = 3;
int sum = x + y;
return sum;
}