正在阅读：高质量C++编程点滴(一)高质量C++编程点滴(一)

class A

{

public:

       A( void ) {}

       ~A( void ) { delete []m_pPtr; }

       void Create( int n ){ m_pPtr = new int[n]; }

private:

       int *m_pPtr;

};

class A

{

public:

       A( void ) : m_pPtr(0){}

       ~A( void ) { Clear(); }

       bool Create( int n ){ if ( m_pPtr ) return false; m_pPtr = new int[n]; return ture; }

       void Clear( void ) { delete []m_pPtr; m_pPtr = 0; }

private:

       int *m_pPtr;

};