shared_ptr-ref.cc

‍example output:

100
y3c-stl terminated: undefined behavior detected (ub_access_deleted)
  at cast from y3c::wrap<int&> to reference: attempted to access the deleted value.
Stack trace (most recent call first):
#0 0x0000000000004722 in main at /home/runner/work/y3c-stl/y3c-stl/build/../examples/shared_ptr-ref.cc:9:18
       7:     std::cout << ref << std::endl;
       8:     a.reset();
       9:     std::cout << ref << std::endl;
      10: }
#1 0x0000000000029d8f at /lib/x86_64-linux-gnu/libc.so.6
#2 0x0000000000029e3f in __libc_start_main at /lib/x86_64-linux-gnu/libc.so.6
#3 0x00000000000045a4 in _start at /home/runner/work/y3c-stl/y3c-stl/build/examples/y3c-example-shared_ptr-ref

#include <y3c/memory>
#include <iostream>
 
int main() {
    y3c::shared_ptr<int> a = std::make_shared<int>(100);
    y3c::wrap_ref<int> ref = *a;
    std::cout << ref << std::endl;
    a.reset();
    std::cout << ref << std::endl;
}