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Section: 18.104.22.168 [istream.iterator.cons] Status: C++17 Submitter: United States Opened: 2016-11-09 Last modified: 2017-07-30
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Addresses US 152see below for the default constructor should simply be spelled constexpr. The current declaration looks like a member function, not a constructor, and the constexpr keyword implicitly does not apply unless the instantiation could make it so, under the guarantees al ready present in the Effects clause.
Proposed change:Replace see below with constexpr in the declaration of the default constructor for istream_iterator in the class definition, and function specification.
[Issues Telecon 16-Dec-2016]
Jonathan provides wording, Move to Tentatively Ready
In the class synopsis in 24.6.1 [istream.iterator] change the default constructor:
see belowistream_iterator(); istream_iterator(istream_type& s); istream_iterator(const istream_iterator& x) = default; ~istream_iterator() = default;
Change [istream.iterator.cons] before paragraph 1:
see belowistream_iterator(); -1- Effects: ...