fig19_08.cpp

经典vc教程的例子程序

// Fig. 19.8: fig19_08.cpp
// Demonstrating the string insert functions.
#include <iostream>
#include <string>
using namespace std;

int main()
{
   string s1( "beginning end" ),
          s2( "middle " ), s3( "12345678" ), s4( "xx" );

   cout << "Initial strings:\ns1: " << s1
        << "\ns2: " << s2 << "\ns3: " << s3
        << "\ns4: " << s4 << "\n\n";

   // insert "middle" at location 10
   s1.insert( 10, s2 );

   // insert "xx" at location 3 in s3
   s3.insert( 3, s4, 0, string::npos );

   cout << "Strings after insert:\ns1: " << s1
        << "\ns2: " << s2 << "\ns3: " << s3
        << "\ns4: " << s4 << endl;

   return 0;
}