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Telegram/ThirdParty/range-v3/include/range/v3/action/reverse.hpp

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+/// \file
+// Range v3 library
+//
+//  Copyright Eric Niebler 2013-present
+//  Copyright Gonzalo Brito Gadeschi 2017
+//
+//  Use, modification and distribution is subject to the
+//  Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+// Project home: https://github.com/ericniebler/range-v3
+//
+
+#ifndef RANGES_V3_ACTION_REVERSE_HPP
+#define RANGES_V3_ACTION_REVERSE_HPP
+
+#include <range/v3/range_fwd.hpp>
+
+#include <range/v3/action/action.hpp>
+#include <range/v3/algorithm/reverse.hpp>
+#include <range/v3/iterator/concepts.hpp>
+#include <range/v3/range/traits.hpp>
+#include <range/v3/utility/static_const.hpp>
+
+#include <range/v3/detail/prologue.hpp>
+
+namespace ranges
+{
+    /// \addtogroup group-actions
+    /// @{
+    namespace actions
+    {
+        /// Reversed the source range in-place.
+        struct reverse_fn
+        {
+            template(typename Rng)(
+                requires bidirectional_range<Rng> AND permutable<iterator_t<Rng>>)
+            Rng operator()(Rng && rng) const
+            {
+                ranges::reverse(rng);
+                return static_cast<Rng &&>(rng);
+            }
+        };
+
+        /// \relates actions::reverse_fn
+        /// \sa action_closure
+        RANGES_INLINE_VARIABLE(action_closure<reverse_fn>, reverse)
+    } // namespace actions
+    /// @}
+} // namespace ranges
+
+#include <range/v3/detail/epilogue.hpp>
+
+#endif