Store an int in a char array?

Question

I want to store a 4-byte int in a char array... such that the first 4 locations of the char array are the 4 bytes of the int.

Then, I want to pull the int back out o

Answer 1

You can also use placement new for this:

void foo (int i) {
  char * c = new (&i) char[sizeof(i)];
}