我正在尝试在共享内存中创建一个unordered_map。我正在使用分配器来达到目的。代码void*addr;void*pool;intshmid;templateclassMyPoolAlloc{private:public:typedefsize_tsize_type;typedefptrdiff_tdifference_type;typedefT*pointer;typedefconstT*const_pointer;typedefT&reference;typedefconstT&const_reference;typedefTvalue_type;templatestruct