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Telegram/ThirdParty/range-v3/include/range/v3/utility/nullptr_v.hpp

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+// Range v3 library
+//
+//  Copyright Eric Niebler 2013,2014.
+//
+//  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_UTILITY_NULLPTR_V_HPP
+#define RANGES_V3_UTILITY_NULLPTR_V_HPP
+
+#include <range/v3/detail/config.hpp>
+RANGES_DEPRECATED_HEADER(
+    "This header is deprecated and will be removed from a future version of range-v3.")
+
+#include <range/v3/detail/prologue.hpp>
+
+namespace ranges
+{
+    /// \ingroup group-utility
+    template<typename T>
+    constexpr T * _nullptr_v()
+    {
+        return nullptr;
+    }
+
+#if RANGES_CXX_VARIABLE_TEMPLATES
+    /// \ingroup group-utility
+    template<typename T>
+    constexpr T * nullptr_v = nullptr;
+#endif
+} // namespace ranges
+
+#include <range/v3/detail/epilogue.hpp>
+
+#endif