cpp/named req/OutputIterator

An Iterator that can access the pointed element for writing.
A class implementing this concept is std::ostream_iterator.

Requirements

• Template:concept

Expression	Return	Equivalent expression	Notes
*i = o			it may not be possible to write twice in the same iterator
++i	It&		After this, copies of a may be invalidated. Post: &r == &++r
i++	const It&	It temp = i; ++i; return temp;
*i++ = o		*i = o; ++i;