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或者说定义在哪里了呢?
不好意思,是我太粗心,原来就在头文件当中。。
template< typename TYPE >
class CGrowableArray
{
public:
CGrowableArray() { m_pData = NULL; m_nSize = 0; m_nMaxSize = 0; }
CGrowableArray( const CGrowableArray<TYPE>& a ) { for( int i=0; i < a.m_nSize; i++ ) Add( a.m_pData ); }
~CGrowableArray() { RemoveAll(); }
const TYPE& operator[]( int nIndex ) const { return GetAt( nIndex ); }
TYPE& operator[]( int nIndex ) { return GetAt( nIndex ); }
CGrowableArray& operator=( const CGrowableArray<TYPE>& a ) { if( this == &a ) return *this; RemoveAll(); for( int i=0; i < a.m_nSize; i++ ) Add( a.m_pData ); return *this; }
HRESULT SetSize( int nNewMaxSize );
HRESULT Add( const TYPE& value ); //这个函数没有定义,他是如何实现的呢?
HRESULT Insert( int nIndex, const TYPE& value );
HRESULT SetAt( int nIndex, const TYPE& value );
TYPE& GetAt( int nIndex ) { assert( nIndex >= 0 && nIndex < m_nSize ); return m_pData[nIndex]; }
int GetSize() const { return m_nSize; }
TYPE* GetData() { return m_pData; }
bool Contains( const TYPE& value ){ return ( -1 != IndexOf( value ) ); }
int IndexOf( const TYPE& value ) { return ( m_nSize > 0 ) ? IndexOf( value, 0, m_nSize ) : -1; }
int IndexOf( const TYPE& value, int iStart ) { return IndexOf( value, iStart, m_nSize - iStart ); }
int IndexOf( const TYPE& value, int nIndex, int nNumElements );
int LastIndexOf( const TYPE& value ) { return ( m_nSize > 0 ) ? LastIndexOf( value, m_nSize-1, m_nSize ) : -1; }
int LastIndexOf( const TYPE& value, int nIndex ) { return LastIndexOf( value, nIndex, nIndex+1 ); }
int LastIndexOf( const TYPE& value, int nIndex, int nNumElements );
HRESULT Remove( int nIndex );
void RemoveAll() { SetSize(0); }
protected:
TYPE* m_pData; // the actual array of data
int m_nSize; // # of elements (upperBound - 1)
int m_nMaxSize; // max allocated
HRESULT SetSizeInternal( int nNewMaxSize ); // This version doesn't call ctor or dtor.
}; |
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