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std::basic_iostream::swap(3)   C++ Standard Libary  std::basic_iostream::swap(3)

NAME
     std::basic_iostream::swap - std::basic_iostream::swap

Synopsis
	protected:			     (since C++11)
	void swap( basic_iostream& other );

	Exchanges the state with another input/output stream object. Effectively
     calls
	basic_istream<CharT,Traits>::swap(other).

	This member function is protected: it is called by the swap member func-
     tions of the
	derived  stream  classes std::basic_stringstream and std::basic_fstream,
     which know
	how to correctly swap the associated stream buffers.

Parameters
	other - another stream to exchange the state with

Return value
	*this

http://cppreference.com 	   2024.06.10	    std::basic_iostream::swap(3)

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