std::experimental::ostream_joiner::operator*
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                    < cpp | experimental | ostream joiner
                    
                                                            
                    | ostream_joiner& operator*(); | (library fundamentals TS v2) | |
Does nothing, this member function is provided to satisfy the requirements of OutputIterator.
It returns the iterator itself, which makes it possible to use code such as *iter = value to output (insert) the value into the underlying stream.
Parameters
(none)
Return value
*this
Exceptions
noexcept specification:  
noexcept