aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm-project/libcxx/include/__algorithm/fill.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__algorithm/fill.h')
-rw-r--r--contrib/llvm-project/libcxx/include/__algorithm/fill.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/fill.h b/contrib/llvm-project/libcxx/include/__algorithm/fill.h
new file mode 100644
index 000000000000..1ce3eadb013d
--- /dev/null
+++ b/contrib/llvm-project/libcxx/include/__algorithm/fill.h
@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___ALGORITHM_FILL_H
+#define _LIBCPP___ALGORITHM_FILL_H
+
+#include <__algorithm/fill_n.h>
+#include <__config>
+#include <__iterator/iterator_traits.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+// fill isn't specialized for std::memset, because the compiler already optimizes the loop to a call to std::memset.
+
+template <class _ForwardIterator, class _Tp>
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
+__fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value, forward_iterator_tag) {
+ for (; __first != __last; ++__first)
+ *__first = __value;
+}
+
+template <class _RandomAccessIterator, class _Tp>
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
+__fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& __value, random_access_iterator_tag) {
+ std::fill_n(__first, __last - __first, __value);
+}
+
+template <class _ForwardIterator, class _Tp>
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
+fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
+ std::__fill(__first, __last, __value, typename iterator_traits<_ForwardIterator>::iterator_category());
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ALGORITHM_FILL_H