shared_ptr-unwrap-ref.cc

‍example output:

100
y3c-stl terminated: undefined behavior detected (ub_access_deleted)
  at y3c::unwrap(y3c::wrap<int&>): attempted to access the deleted value.
Stack trace (most recent call first):
#0 0x0000559306c40722 in main at /home/runner/work/y3c-stl/y3c-stl/build/../examples/shared_ptr-unwrap-ref.cc:9:24
       7:     std::cout << unwrap(ref) << std::endl;
       8:     a.reset();
       9:     std::cout << unwrap(ref) << std::endl;
      10: }

#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 << unwrap(ref) << std::endl;
    a.reset();
    std::cout << unwrap(ref) << std::endl;
}