Function track_values

tests/constructor_stats.h:255–257

}
template <class T, typename... Values>
void track_values(T *, Values &&...values) {
    ConstructorStats::get<T>().value(std::forward<Values>(values)...);
}

/// Don't cast pointers to Python, print them as strings
inline const char *format_ptrs(const char *p) { return p; }