【c++】模拟实现boost库下的scoped_array

//模拟实现boost库下的scoped_array#include <iostream>#include <assert.h>using namespace std;template <class T>class scoped_array{private:T * px;scoped_array(scoped_array const &);scoped_array& operator=(scoped_array const &);void operator==(scoped_array const &)const;void operator!=(scoped_array const &)const;public:scoped_array(T * p = 0) :px(p){}~scoped_array(){delete[] px;}void reset(T * p = 0){assert(p == 0 || p != px);scoped_array<T>(p).swap(*this);}T& operator[](int i)const{assert(px != 0);assert(i >= 0);return px[i];}T* get()const{return px;}void swap(scoped_array & b){T *tmp = px;px = b.px;b.px = tmp;}};int main(){int *arr = new int[100];arr[0] = 50;scoped_array<int> ptr(arr);cout << ptr[0] << endl;return 0;}