Consolidate swap, swap_ranges, and iter_swap in <type_traits>.
NFC. Thanks to @Quuxplusone (Arthur O'Dwyer) for this change.
llvm-svn: 371639
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: b51d5605b1817fdce33c5f30316b0b5a5aef5116
diff --git a/include/utility b/include/utility
index a185818..64599c8 100644
--- a/include/utility
+++ b/include/utility
@@ -248,29 +248,11 @@
} // rel_ops
-// swap_ranges
+// swap_ranges is defined in <type_traits>`
+// swap is defined in <type_traits>
-template <class _ForwardIterator1, class _ForwardIterator2>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_ForwardIterator2
-swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2)
-{
- for(; __first1 != __last1; ++__first1, (void) ++__first2)
- swap(*__first1, *__first2);
- return __first2;
-}
-
-// forward declared in <type_traits>
-template<class _Tp, size_t _Np>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-typename enable_if<
- __is_swappable<_Tp>::value
->::type
-swap(_Tp (&__a)[_Np], _Tp (&__b)[_Np]) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
-{
- _VSTD::swap_ranges(__a, __a + _Np, __b);
-}
+// move_if_noexcept
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11