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[Publications][Active Proposals][Background Documents][Superceded Proposals][Errata]

Publications

Active Proposals and Technical Reports

Background Documents

  • Douglas Gregor. A Tour of the Concepts Wording. Technical report N2399=07-0259, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, September 2007.
  • Douglas Gregor and Jeremy Siek. Implementing concepts. Technical Report N1848=05-0108, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, August 2005. [Errata]
  • Douglas Gregor and Jeremy Siek. Explicit model definitions are necessary. Technical Report N1798=050058, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, May 2005.

Superceded Proposals and Technical Reports

  • Douglas Gregor and Bjarne Stroustrup. Proposed wording for concepts (Revision 2). Technical report N2398=07-0258, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, September 2007.
  • Douglas Gregor and Bjarne Stroustrup. Proposed wording for concepts (Revision 1). Technical report N2307=07-0167, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, June 2007.
  • Douglas Gregor and Bjarne Stroustrup. Proposed wording for concepts. Technical report N2193=07-0053, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, March 2007.
  • Douglas Gregor and Jeremiah Willcock and Andrew Lumsdaine. Concepts for the C++0x Standard Library: Utilities (Revision 1). Technical Report N2082=06-0152, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, October 2006.
  • Douglas Gregor and Jeremiah Willcock and Andrew Lumsdaine. Concepts for the C++0x Standard Library: Iterators (Revision 1). Technical Report N2083=06-0153, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, October 2006.
  • Douglas Gregor and Bjarne Stroustrup. Concepts (Revision 1). Technical Report N2081=06-0151, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, October, 2006.
  • Douglas Gregor. Conceptualizing the Range-Based for Loop. Technical Report N2049=06-0119, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, June 2006. [Errata]
  • Douglas Gregor and Jeremiah Willcock and Andrew Lumsdaine. Concepts for the C++0x Standard Library: Utilities. Technical Report N2038=06-0108, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, June 2006.
  • Douglas Gregor and Jeremiah Willcock and Andrew Lumsdaine. Concepts for the C++0x Standard Library: Iterators. Technical Report N2039=06-0109, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, June 2006.
  • Douglas Gregor and Jeremiah Willcock and Andrew Lumsdaine. Concepts for the C++0x Standard Library: Algorithms. Technical Report N2040=06-0110, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, June 2006. [Errata]
  • Douglas Gregor and Bjarne Stroustrup. Concepts. Technical Report N2042=06-0112, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, June 2006. [Errata]
  • Douglas Gregor, Jeremy Siek, Jeremiah Willcock, Jaakko Järvi, Ronald Garcia, and Andrew Lumsdaine. Concepts for C++0x (revision 1). Technical Report N1849=05-0109, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, August 2005. [Errata]
  • Bjarne Stroustrup and Gabriel Dos Reis. A concept design (rev. 1). Technical Report N1782=05-0042, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, May 2005.
  • Jeremy Siek, Douglas Gregor, Ronald Garcia, Jeremiah Willcock, Jaakko Järvi, and Andrew Lumsdaine. Concepts for C++0x. Technical Report N1758=05-0018, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, January 2005. [Errata]
  • Bjarne Stroustrup. Concepts - a more abstract complement to type checking. Technical Report N1510=03-0093, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, October 2003.
  • Bjarne Stroustrup and Gabriel Dos Reis. Concepts - design choices for template argument checking. Technical Report N1522=03-0105, ISO/IEC JTC 1, Informa- tion Technology, Subcommittee SC 22, Programming Language C++, October 2003.
  • Bjarne Stroustrup and Gabriel Dos Reis. Concepts - syntax and composition. Technical Report N1536=03-0119, ISO/IEC JTC 1, Information Technology, Subcommittee SC 22, Programming Language C++, October 2003.

Errata

N2049: Conceptualizing the Range-Based for Loop

  • Second page: Replace "model templates" with "concept map templates".

N2042: Concepts

  • Section 2: The examples provided using min(), but the text refers to sum(). Change all occurrences of sum to min.
  • Section 2.1.1, InputIterator concept: The copy assignment operator= and swap should be replaced with: 
      Iter& operator=(Iter&, const Iter&);   // copy assignment
  void swap(Iter&, Iter&);               // swap
  • Section 2.1.3, bottom of page 9: The phrase "written Iter::value (no typename) required!)" should be "written Iter::value_type (no typename) required!)".
  • Section 2.2, second paragraph: Replace "this concept states that char*s are concept_maps" with "this concept states that char*s are InputIterators."
  • Section 3.2.2, paragraph 3: The second signature should be T::operator U*() const;
  • Section 3.2.2, paragraph 7: The example for default implementations should use the default keyword, e.g., 
    concept EqualityComparable<typename T> {
  bool operator==(T, T);
  default bool operator!=(T x, T y) { return !(x == y); }
};
  • Section 3.2.5, first paragraph: replace "must be are" with "must be".
  • Section 3.3, student_record example: The EqualityComparable concept map's operator== is missing a close brace and the function parameter types are missing underscores. The concept map should read: 
    concept_map EqualityComparable<student_record> {
  bool operator==(const student_record& a, const student_record& b)
  { return a.id == b.id; }
};
  • Section 3.3.2, paragraph 3: The concept map for ForwardIterator should refer to Allocator, and the rebind member needs a public access specifier. The concept map should read: 
    template<typename T>
concept_map Allocator<my_allocator<T> > {
  template<class U>
    class rebind {
    public:
      typedef my_allocator<U> type;
    };
};
  • Section 3.4, first paragraph: Replace "nearly-perflect" with "nearly-perfect".
  • Section 3.4.1, paragraph 5: The last definition of cos should read: 
    template<typename T> where Regular<T> && !(!Integral<T> && !Regular<T>)
T cos(T x) { /* error: redefinition of cos */ }
  • Section 3.4.2, Alternative: In the BinaryOperation example, the "typeaname" should be "typename".
  • Section 3.4.3, paragraph 5: This paragraph correctly states that type-checking using the BidirectionalIterator version of advance (#2), but fails to note that the RandomAccessIterator version (#3) will be considered again at instantiation-time. discussed in 3.4.4p2.
  • Section 3.4.7, paragraph 4: The example should read: 
    template<IteratorTraits Iter>
  where Convertible<Iter::iterator_category, forward_iterator_tag>
  concept_map ForwardIterator<Iter> late_check { ... };
  • Section 3.6.1, example: The assignment operator is missing a final return *this;
  • Section 3.6.1, first paragraph: Change "declarated" to "declared".

N2041: Concepts for the C++0x Standard Library: Numerics

  • 26.4.1: The first accumulate signature should use Iter::reference instead of Iter::value_type: 
    template <InputIterator Iter, Addable<Iter::reference> T>
  where Assignable<T, T::result_type>
  T accumulate(Iter first, Iter last, T init);

    This error also occurs in the synopsis.

N2040: Concepts for the C++0x Standard Library: Algorithms

  • 25.1.5: The second adjacent_find overload should read: 
    template<ForwardIterator Iter, BinaryPredicate<Iter::reference, Iter::reference> Pred>
  Iter adjacent_find(Iter first, Iter last, Pred pred);
  • 25.2.4: The replace_copy signatures should use OutputIterator<InIter::value_type> instead of OutputIterator<InIter::reference>. Replace the signatures with (in your copy): 
    template<InputIterator InIter, OutputIterator<InIter::value_type> OutIter, class T>
  where Assignable<OutIter::reference, T> && EqualityComparable<InIter::reference, T>
  OutIter replace_copy(InIter first, InIter last, 
                       OutIter result, 
                       const T& old_value , const T& new_value);

template<InputIterator InIter, OutputIterator<InIter::value_type> OutIter,
Predicate<InIter::reference> Pred, class T>
  where Assignable<OutIter::reference, T>
  OutIter replace_copy_if(InIter first, InIter last, 
                          OutIter result, 
                          Pred pred, const T& new_value);
  • 25.3.3.1: The first lower_bound signature should use Iter::reference, not Iter::value_type: 
    template<ForwardIterator Iter, class T>
  where LessThanComparable<Iter::reference, T>
  Iter lower_bound(Iter first, Iter last,
                   const T& value);

N1849: Concepts for C++0x (revision 1)

N1848: Implementing Concepts

  • Section 2.2.4, InputIterator concept example: The require should be replaced with where.
  • Section 3.2, end of the code example: The line containing struct int {}; should be removed.

N1758: Concepts for C++0x

  • Section B.6: This section describes the Curiously Recurring Template Pattern but mistakenly refers to it as the Barton & Nackman trick. The Barton & Nackman trick actually refers to defining friend functions within a template that will be found via argument-dependent lookup.
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