std::basic_iostream::operator= -
std::basic_iostream::operator=
basic_iostream& operator=( const basic_iostream& other )
= delete; (1)
protected: (2) (since C++11)
basic_iostream& operator=( basic_iostream&& other );
Assigns another stream object.
1) Copy assignment is not allowed.
2) Move assigns another stream object. Effectively calls swap(rhs). This move
assignment operator is protected: it is called by the move assignment
operators of
the derived stream classes std::basic_stringstream and std::basic_fstream
which know
how to properly move-assign the associated stream buffers.
other - another stream to assign state of
constructor constructs the object
(public member function)