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More constexpr from P0202. count and count_if. Also fix a comment that Morwenn noted.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@322506 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-01-15 19:40:34 +00:00
parent 82091c2583
commit 0dc8ca7729
3 changed files with 39 additions and 10 deletions
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12
include/algorithm
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@@ -79,11 +79,11 @@ template <class ForwardIterator, class BinaryPredicate>
adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
template <class InputIterator, class T>
typename iterator_traits<InputIterator>::difference_type
constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
count(InputIterator first, InputIterator last, const T& value);
template <class InputIterator, class Predicate>
typename iterator_traits<InputIterator>::difference_type
constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
count_if(InputIterator first, InputIterator last, Predicate pred);
template <class InputIterator1, class InputIterator2>
@@ -333,11 +333,11 @@ template <class ForwardIterator, class Compare>
is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
template<class ForwardIterator>
ForwardIterator
constexpr ForwardIterator // constexpr in C++20
is_sorted_until(ForwardIterator first, ForwardIterator last);
template <class ForwardIterator, class Compare>
ForwardIterator
constexpr ForwardIterator // constexpr in C++20
is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
template <class RandomAccessIterator>
@@ -1240,7 +1240,7 @@ adjacent_find(_ForwardIterator __first, _ForwardIterator __last)
// count
template <class _InputIterator, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
typename iterator_traits<_InputIterator>::difference_type
count(_InputIterator __first, _InputIterator __last, const _Tp& __value_)
{
@@ -1254,7 +1254,7 @@ count(_InputIterator __first, _InputIterator __last, const _Tp& __value_)
// count_if
template <class _InputIterator, class _Predicate>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
typename iterator_traits<_InputIterator>::difference_type
count_if(_InputIterator __first, _InputIterator __last, _Predicate __pred)
{