std::basic_ios<CharT,Traits>::swap

From cppreference.com
< cpp‎ | io‎ | basic ios
protected :
void swap( basic_ios& other ) noexcept ;
(since C++11)

Exchanges the states of *this and other, except for the associated rdbuf objects. rdbuf() and other.rdbuf()

This swap function is protected: it is called by the swap member functions of the derived stream classes such as std::basic_ofstream or std::basic_istringstream

Parameters

other - the basic_ios object to exchange the state with

See also

(C++11)
moves from another std::basic_ios except for rdbuf
(protected member function)