std::ios_base::operator=

 

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std::ios_base

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ios_base::operator=

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private: ios_base& operator=(const ios_base&);		(until C++11)
public: ios_base& operator=(const ios_base&)= delete;		(since C++11)

The copy assignment operator is private(until C++11)deleted(since C++11): streams are not copy-assignable.

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR	Applied to	Behavior as published	Correct behavior
LWG 50	C++98	the copy assignment operator was not specified	specified as private