back_inserter

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template<class Container> 
   back_insert_iterator<Container> back_inserter( 
      Container& _Cont 
   );

매개 변수

• _Cont
  The container into which the back insertion is to be executed.

반환 값

A back_insert_iterator associated with the container object _Cont.

설명

Within the Standard Template Library, the argument must refer to one of the three sequence containers that have the member function push_back: deque Class, list Class, or vector Class.

예제

// iterator_back_inserter.cpp
// compile with: /EHsc
#include <iterator>
#include <vector>
#include <iostream>

int main( )
{
   using namespace std;
   int i;

   vector<int> vec;
   for ( i = 0 ; i < 3 ; ++i )  
   {
      vec.push_back ( i );
   }
   
   vector <int>::iterator vIter;
   cout << "The initial vector vec is: ( ";
   for ( vIter = vec.begin ( ) ; vIter != vec.end ( ); vIter++)
      cout << *vIter << " ";
   cout << ")." << endl;

   // Insertions can be done with template function
   back_insert_iterator<vector<int> > backiter ( vec );
   *backiter = 30;
   backiter++;
   *backiter = 40;

   // Alternatively, insertions can be done with the
   // back_insert_iterator member function
   back_inserter ( vec ) = 500;
   back_inserter ( vec ) = 600;

   cout << "After the insertions, the vector vec is: ( ";
   for ( vIter = vec.begin ( ) ; vIter != vec.end ( ); vIter++ )
      cout << *vIter << " ";
   cout << ")." << endl;
}

요구 사항

헤더: <iterator>

네임스페이스: std

참고 항목

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