bool move(To& to, From& from) {
if (CFGetTypeID(from.c_obj()) == To::type_id()) {
to.reset(reinterpret_cast<typename To::type>(from.release()));
return true;
}
return false;
}
// Pass by reference for lvalue of 'move_ptr'.
// Also note 'auto_ptr' isn't copy-initializable from one which has
// a different 'element_type'. See http://tinyurl.com/yo8a7w (defect report #84).
template< class To, class From > inline
To move_to(From& from)
{
return To(from.release());
}
To cast(From from) {
if (CFGetTypeID(from.c_obj()) == To::type_id()) {
return To(reinterpret_cast<typename To::type>(from.release()));
}
return nullptr;
}