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Can Templates Have prototypes ?

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Join Date: Mar 2007

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addicted

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Can Templates Have prototypes ?

Apr 20th, 2007

If yes,
Help with the declaration

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Re: Can Templates Have prototypes ?

Apr 20th, 2007

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Originally Posted by addicted

If yes,
Help with the declaration

 Help with Code Tags 
 C Syntax (Toggle Plain Text) 
template< typename T > inline void swap( T& a, T& b ) ; // declaration (function)
template< typename T, size_t N > struct array ; // declaration (class)
 
// definition of function
template< typename T > void swap( T& a, T& b ) 
{  T temp(a) ; a=b ; b=temp ; }
 
// definition of class
template< typename T, size_t N > struct array 
{
  T& operator[] ( size_t i ) 
  {
     if( i >= N ) throw "array bound exceeded!" ;
     return a[i] ;
  }
 
  const T& operator[] ( size_t i )  const 
  {
     if( i >= N ) throw "array bound exceeded!" ;
     return a[i] ;
  }
 
  private: T a[N] ;
};
template< typename T > inline void swap( T& a, T& b ) ; // declaration (function)
template< typename T, size_t N > struct array ; // declaration (class)

// definition of function
template< typename T > void swap( T& a, T& b ) 
{  T temp(a) ; a=b ; b=temp ; }

// definition of class
template< typename T, size_t N > struct array 
{
  T& operator[] ( size_t i ) 
  {
     if( i >= N ) throw "array bound exceeded!" ;
     return a[i] ;
  }

  const T& operator[] ( size_t i )  const 
  {
     if( i >= N ) throw "array bound exceeded!" ;
     return a[i] ;
  }

  private: T a[N] ;
};