include/pybind11/pytypes.h

190     const handle& inc_ref() const & { Py_XINCREF(m_ptr); return *this; }
234     object(handle h, bool is_borrowed) : handle(h) { if (is_borrowed) inc_ref(); }
236     object(const object &o) : handle(o) { inc_ref(); }
254         other.inc_ref();
285     object(handle h, borrowed_t) : handle(h) { inc_ref(); }
578         if (PyList_SetItem(obj.ptr(), static_cast<ssize_t>(index), val.inc_ref().ptr()) != 0) {
595         if (PyTuple_SetItem(obj.ptr(), static_cast<ssize_t>(index), val.inc_ref().ptr()) != 0) {
793     : Parent(check_(o) ? o.inc_ref().ptr() : ConvertFun(o.ptr()), stolen_t{}) \
1039         return handle(value ? Py_True : Py_False).inc_ref().ptr();
1237             return handle(op).inc_ref().ptr();