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More P0202 constexpr-ifying in <algorithm>. This commit handles replace/replace_if/replace_copy/replace_copy_if.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@322975 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-01-19 18:07:29 +00:00
parent ecd1909f5f
commit a75d61347e
5 changed files with 92 additions and 16 deletions
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20
include/algorithm
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@@ -202,20 +202,20 @@ template <class InputIterator1, class InputIterator2, class OutputIterator, clas
OutputIterator result, BinaryOperation binary_op);
template <class ForwardIterator, class T>
void
constexpr void // constexpr in C++20
replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
template <class ForwardIterator, class Predicate, class T>
void
constexpr void // constexpr in C++20
replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
template <class InputIterator, class OutputIterator, class T>
OutputIterator
constexpr OutputIterator // constexpr in C++20
replace_copy(InputIterator first, InputIterator last, OutputIterator result,
const T& old_value, const T& new_value);
template <class InputIterator, class OutputIterator, class Predicate, class T>
OutputIterator
constexpr OutputIterator // constexpr in C++20
replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
template <class ForwardIterator, class T>
@@ -1461,9 +1461,9 @@ __is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1,
if (!__pred(*__first1, *__first2))
break;
if (__first1 == __last1)
return __first2 == __last2;
return __first2 == __last2;
else if (__first2 == __last2)
return false;
return false;
typedef typename iterator_traits<_ForwardIterator1>::difference_type _D1;
_D1 __l1 = _VSTD::distance(__first1, __last1);
@@ -1969,7 +1969,7 @@ transform(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __f
// replace
template <class _ForwardIterator, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
void
replace(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __old_value, const _Tp& __new_value)
{
@@ -1981,7 +1981,7 @@ replace(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __old_valu
// replace_if
template <class _ForwardIterator, class _Predicate, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
void
replace_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred, const _Tp& __new_value)
{
@@ -1993,7 +1993,7 @@ replace_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred,
// replace_copy
template <class _InputIterator, class _OutputIterator, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
_OutputIterator
replace_copy(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
const _Tp& __old_value, const _Tp& __new_value)
@@ -2009,7 +2009,7 @@ replace_copy(_InputIterator __first, _InputIterator __last, _OutputIterator __re
// replace_copy_if
template <class _InputIterator, class _OutputIterator, class _Predicate, class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
_OutputIterator
replace_copy_if(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
_Predicate __pred, const _Tp& __new_value)