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Telegram/ThirdParty/range-v3/include/range/v3/detail/prologue.hpp

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+// Range v3 library
+//
+//  Copyright Eric Niebler 2013-present
+//
+//  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_DETAIL_PROLOGUE_HPP
+#define RANGES_V3_DETAIL_PROLOGUE_HPP
+#include <range/v3/detail/config.hpp>
+#endif
+
+#ifdef RANGES_PROLOGUE_INCLUDED
+#error "Prologue already included!"
+#endif
+#define RANGES_PROLOGUE_INCLUDED
+
+RANGES_DIAGNOSTIC_PUSH
+
+#ifdef RANGES_FEWER_WARNINGS
+RANGES_DIAGNOSTIC_IGNORE_UNDEFINED_INTERNAL
+RANGES_DIAGNOSTIC_IGNORE_INDENTATION
+RANGES_DIAGNOSTIC_IGNORE_CXX17_COMPAT
+#endif
+
+RANGES_DIAGNOSTIC_KEYWORD_MACRO
+
+#define template(...)                                                           \
+    CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN                                            \
+    template<__VA_ARGS__ CPP_TEMPLATE_AUX_                                      \
+
+#define AND CPP_and
+
+/// \cond
+#if defined(__cpp_noexcept_function_type) && __cpp_noexcept_function_type >= 201510
+// noexcept is part of the type system
+#define declval(...) static_cast<__VA_ARGS__(*)() noexcept>(nullptr)()
+#else
+// noexcept is not part of the type system
+#define declval(...) static_cast<__VA_ARGS__(*)()>(nullptr)()
+#endif
+/// \cond