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std::basic_...sic_iostream(3) C++ Standard Libarystd::basic_...sic_iostream(3)

NAME
       std::basic_iostream::basic_iostream	-     std::basic_iostream::ba-
       sic_iostream

Synopsis
	  explicit basic_iostream( std::basic_streambuf<CharT,Traits>*	sb  );
       (1)
	  basic_iostream(    const   basic_iostream&   other   )   =   delete;
       (2) (since C++11)
	  protected:
       (3) (since C++11)
	  basic_iostream( basic_iostream&& other );

	  Constructs new stream	object.

	  1) Initializes with streambuf	sb. The	base classes  are  initialized
       as
	  basic_istream<CharT,Traits>(sb) and basic_ostream<CharT,Traits>(sb).
       After the call
	  rdbuf() == sb	and gcount() ==	0.
	  2) Copy construction is not allowed.
	  3)  Move  constructor:  move-constructs  the	first  base  class ba-
       sic_istream as
	  basic_istream<CharT,Traits>(std::move(rhs));,	which  in  turn	 move-
       constructs and
	  initializes  the  virtual base std::basic_ios. The initialization of
       the other base,
	  basic_ostream, is implementation-defined (e.g., a protected  default
       constructor may
	  be  added  to	 std::basic_ostream, which does	nothing) because move-
       construction cannot
	  use rhs twice. This move constructor is protected: it	is  called  by
       the move
	  constructors of the derived stream classes std::basic_fstream	and
	  std::basic_stringstream before they move-construct and associate the
       stream buffer.

Parameters
	  sb	- streambuf to initialize with
	  other	- another stream to initialize with

See also
	  operator= move-assigns another basic_iostream
	  (C++11)   (protected member function)

http://cppreference.com		  2022.07.31	 std::basic_...sic_iostream(3)

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