[#5631E67936C7B3C85010D8FB06002786645641DC]
Constructor
recycled_ptr();
Upon construction, this acquires exclusive access to an object of type `T` which is either recycled from a global recycle bin, or newly allocated. The object is in an unknown but valid state.
recycled_ptr< std::string > ps;
// Put the string into a known state
ps->clear();
&this->bin() != nullptr && ! this->empty()