Question

How to clear a stringstream variable in C++

Answer 1

#include <iostream>
#include <sstream> 

int main() {
    std::stringstream ss("c++");  
    std::cout << "1: " << ss.str() << "\n";
    
    ss.str(std::string());
    ss.clear(); 
    std::cout << "2: " << ss.str() << "\n";
}
 
  
  
/*
run:
     
1: c++
2: 
              
*/

 

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Answer 2

#include <iostream>
#include <sstream> 

int main() {
    std::stringstream ss("c++");  
    std::cout << "1: " << ss.str() << "\n";
    
    ss.str("");
    ss.clear(); 
    std::cout << "2: " << ss.str() << "\n";
}
 
  
  
/*
run:
     
1: c++
2: 
              
*/

 

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