Question

How to empty (clear) a string in C++

Answer 1

#include <iostream>
  
int main() {
    std::string s = "c++";
 
    std::cout << s << " : " << s.size() << "\n";
 
    s.clear();
      
    std::cout << s << " : " << s.size() << "\n";

    return 0;
}
  
  
  
/*
run:
  
c++ : 3
 : 0
  
*/

 

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