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list::clear

Erases all the elements of a list.

void clear( );

Example

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

int main() {
   using namespace std;
   list <int> c1;
   
   c1.push_back( 10 );
   c1.push_back( 20 );
   c1.push_back( 30 );

   cout << "The size of the list is initially " << c1.size( ) << endl;
   c1.clear( );
   cout << "The size of list after clearing is " << c1.size( ) << endl;
}
The size of the list is initially 3
The size of list after clearing is 0

Requirements

Header: <list>

Namespace: std

See Also

Reference

list Class

Standard Template Library

Other Resources

list Class Members