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Still more P0202 constexpr-ifying. This batch is: for_each/for_each_n/lexicographical_compare

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@323147 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-01-22 20:44:33 +00:00
parent 65d4ee3df0
commit a15161a030
6 changed files with 108 additions and 17 deletions
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23
include/algorithm
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@@ -32,11 +32,12 @@ template <class InputIterator, class Predicate>
none_of(InputIterator first, InputIterator last, Predicate pred);
template <class InputIterator, class Function>
Function
constexpr Function // constexpr in C++20
for_each(InputIterator first, InputIterator last, Function f);
template<class InputIterator, class Size, class Function>
InputIterator for_each_n(InputIterator first, Size n, Function f); // C++17
constexpr InputIterator // constexpr in C++20
for_each_n(InputIterator first, Size n, Function f); // C++17
template <class InputIterator, class T>
constexpr InputIterator // constexpr in C++20
@@ -311,7 +312,7 @@ template <class ForwardIterator, class Predicate>
template <class InputIterator, class OutputIterator1,
class OutputIterator2, class Predicate>
pair<OutputIterator1, OutputIterator2>
constexpr pair<OutputIterator1, OutputIterator2> // constexpr in C++20
partition_copy(InputIterator first, InputIterator last,
OutputIterator1 out_true, OutputIterator2 out_false,
Predicate pred);
@@ -607,11 +608,11 @@ template<class T, class Compare>
minmax(initializer_list<T> t, Compare comp); // constexpr in C++14
template <class InputIterator1, class InputIterator2>
bool
constexpr bool // constexpr in C++20
lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
template <class InputIterator1, class InputIterator2, class Compare>
bool
constexpr bool // constexpr in C++20
lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
InputIterator2 first2, InputIterator2 last2, Compare comp);
@@ -958,7 +959,7 @@ none_of(_InputIterator __first, _InputIterator __last, _Predicate __pred)
// for_each
template <class _InputIterator, class _Function>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
_Function
for_each(_InputIterator __first, _InputIterator __last, _Function __f)
{
@@ -971,7 +972,7 @@ for_each(_InputIterator __first, _InputIterator __last, _Function __f)
// for_each_n
template <class _InputIterator, class _Size, class _Function>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
_InputIterator
for_each_n(_InputIterator __first, _Size __orig_n, _Function __f)
{
@@ -3288,7 +3289,7 @@ partition(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred)
template <class _InputIterator, class _OutputIterator1,
class _OutputIterator2, class _Predicate>
pair<_OutputIterator1, _OutputIterator2>
_LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_OutputIterator1, _OutputIterator2>
partition_copy(_InputIterator __first, _InputIterator __last,
_OutputIterator1 __out_true, _OutputIterator2 __out_false,
_Predicate __pred)
@@ -5658,7 +5659,7 @@ set_symmetric_difference(_InputIterator1 __first1, _InputIterator1 __last1,
// lexicographical_compare
template <class _Compare, class _InputIterator1, class _InputIterator2>
bool
_LIBCPP_CONSTEXPR_AFTER_CXX17 bool
__lexicographical_compare(_InputIterator1 __first1, _InputIterator1 __last1,
_InputIterator2 __first2, _InputIterator2 __last2, _Compare __comp)
{
@@ -5673,7 +5674,7 @@ __lexicographical_compare(_InputIterator1 __first1, _InputIterator1 __last1,
}
template <class _InputIterator1, class _InputIterator2, class _Compare>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
bool
lexicographical_compare(_InputIterator1 __first1, _InputIterator1 __last1,
_InputIterator2 __first2, _InputIterator2 __last2, _Compare __comp)
@@ -5689,7 +5690,7 @@ lexicographical_compare(_InputIterator1 __first1, _InputIterator1 __last1,
}
template <class _InputIterator1, class _InputIterator2>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
bool
lexicographical_compare(_InputIterator1 __first1, _InputIterator1 __last1,
_InputIterator2 __first2, _InputIterator2 __last2)