Use member function at() to : string at « string « C++ Tutorial

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C++ Tutorial » string » string at

15.4.2.Use member function at() to

#include <iostream>

#include <string>

using namespace std;



int main()

{

   string s1( "cat" ), s2, s3;



   s2 = s1;          

   s3.assign( s1 );  

   cout << "s1: " << s1 << "\ns2: " << s2 << "\ns3: "

        << s3 << "\n\n";



   // demonstrating member function at()

   int len = s3.length();

   for ( int x = 0; x < len; ++x ) 

      cout << s3.at( x );



   return 0;

}

15.4.string at
	15.4.1.	Demonstrating member function at
	15.4.2.	Use member function at() to

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