std::experimental::ostream_joiner<DelimT,CharT,Traits>:: operator*

From cppreference.com
ostream_joiner & operator * ( ) noexcept ;
(library fundamentals TS v2)

Does nothing, this member function is provided to satisfy the requirements of LegacyOutputIterator .

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