std::swap(std::basic_stringstream)
From cppreference.com
                    
                                        
                    < cpp | io | basic stringstream
                    
                                                            
                    
|   Defined in header  <sstream>
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|   template< class CharT, class Traits, class Alloc > void swap( std::basic_stringstream<CharT,Traits,Alloc>& lhs,  | 
(since C++11) | |
Overloads the std::swap algorithm for std::basic_stringstream. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs).
Parameters
| lhs, rhs | - | streams whose state to swap | 
Return value
(none)
Exceptions
May throw implementation-defined exceptions.
Example
| This section is incomplete Reason: no example  | 
See also
|    (C++11)  | 
  swaps two string streams  (public member function)  |