std::ostream_iterator::operator++ -
std::ostream_iterator::operator++
ostream_iterator& operator++();
ostream_iterator& operator++( int );
Does nothing. These operator overloads are provided to satisfy the
requirements of
LegacyOutputIterator. They make it possible for the expressions *iter++=value
and
*++iter=value to be used to output (insert) a value into the underlying
stream.