vector-ptr.cc

‍example output:

y3c-stl terminated: undefined behavior detected (ub_out_of_range)
  at y3c::vector<int>::operator[](): attempted to access index 3, that is outside the bounds of size 0.
Stack trace (most recent call first):
#0 0x0000563e3fff866e in main at /home/runner/work/y3c-stl/y3c-stl/build/../examples/vector-ptr.cc:6:27
       4: int main() {
       5:     y3c::vector<int> a;
       6:     y3c::ptr<int> p = &a[3];
       7:     p += 10;
       8:     std::cout << *p << std::endl;

#include <y3c/vector>
#include <iostream>
 
int main() {
    y3c::vector<int> a;
    y3c::ptr<int> p = &a[3];
    p += 10;
    std::cout << *p << std::endl;
}