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### 112. Minor typo in `ostreambuf_iterator` constructor

Section: 23.6.5.2 [ostreambuf.iter.cons] Status: TC1 Submitter: Matt Austern Opened: 1998-10-20 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

The requires clause for `ostreambuf_iterator`'s constructor from an `ostream_type` (24.5.4.1, paragraph 1) reads "s is not null". However, s is a reference, and references can't be null.

Proposed resolution:

In 23.6.5.2 [ostreambuf.iter.cons]:

Move the current paragraph 1, which reads "Requires: s is not null.", from the first constructor to the second constructor.

Insert a new paragraph 1 Requires clause for the first constructor reading:

> Requires: `s.rdbuf()` is not null.