Instrumenting operator new to keep track of mem allocations

operator_new.md

struct A {
	static std::size_t allocated;
  
  	static void* operator new(std::size_t size) {
    	allocated += size / sizeof(A);
      	return ::operator new(size);
    }
  
  	static void* operator new[](std::size_t size) {
    	allocated += size / sizeof(A);
      	return ::operator new(size);
    }
}

std::size_t A::allocated = 0;