list::size

Returns the number of elements in a list.

size_type size( ) const;

Return Value

The current length of the list.

Example

// list_size.cpp
// compile with: /EHsc
#include <list>
#include <iostream>

int main( )
{
   using namespace std;
   list <int> c1;
   list <int>::size_type i;
   
   c1.push_back( 1 );
   i = c1.size( );
   cout << "List length is " << i << "." << endl;

   c1.push_back( 2 );
   i = c1.size( );
   cout << "List length is now " << i << "." << endl;
}

List length is 1.
List length is now 2.

Requirements

Header: <list>

Namespace: std

See Also

Concepts

list Class

list Class Members

Standard Template Library