fig19_04.cpp

来自「这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to pr」· C++ 代码 · 共 39 行

// Fig. 19.4: fig19_04.cpp
// Using the swap function to swap two strings
#include <iostream>

using std::cout;
using std::endl;

#include <string>

using std::string;

int main()
{
   string first( "one" ), second( "two" );

   cout << "Before swap:\n first: " << first
        << "\nsecond: " << second;
   first.swap( second );
   cout << "\n\nAfter swap:\n first: " << first
        << "\nsecond: " << second << endl;
    
   return 0;
}

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