Function format_ptrs

tests/constructor_stats.h:260–260

Don't cast pointers to Python, print them as strings

/// Don't cast pointers to Python, print them as strings
inline const char *format_ptrs(const char *p) { return p; }
template <typename T>
py::str format_ptrs(T *p) {
    return "{:#x}"_s.format(reinterpret_cast<std::uintptr_t>(p));