Simple operator new replacement

gistfile1.txt

#include <new>
#include <iostream>

char heap[1000];
char *next = heap;

void * operator new (std::size_t sz) { char *ret = next; next += sz; return ret; }
void   operator delete (void *) noexcept {}

int main ()
{
	std::cout << "heap = " << (void *) heap << " next = " << (void *) next << std::endl;
	int *p = new int;
	std::cout << "p = " << (void *) p << std::endl;
	std::cout << "heap = " << (void *) heap << " next = " << (void *) next << std::endl;
	delete p;
	std::cout << "heap = " << (void *) heap << " next = " << (void *) next << std::endl;	
}