#ifndef BOOST_LEAF_CONFIG_HPP_INCLUDED
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#define BOOST_LEAF_CONFIG_HPP_INCLUDED
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// Copyright (c) 2018-2020 Emil Dotchevski and Reverge Studios, Inc.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// The following is based on Boost Config.
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// (C) Copyright John Maddock 2001 - 2003.
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// (C) Copyright Martin Wille 2003.
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// (C) Copyright Guillaume Melquiond 2003.
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#ifndef BOOST_LEAF_ENABLE_WARNINGS
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# if defined(__clang__)
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# pragma clang system_header
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# elif (__GNUC__*100+__GNUC_MINOR__>301)
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# pragma GCC system_header
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# elif defined(_MSC_VER)
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# pragma warning(push,1)
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# endif
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#endif
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////////////////////////////////////////
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// Configure BOOST_LEAF_NO_EXCEPTIONS, unless already #defined
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#ifndef BOOST_LEAF_NO_EXCEPTIONS
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# if defined(__clang__) && !defined(__ibmxl__)
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// Clang C++ emulates GCC, so it has to appear early.
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# if !__has_feature(cxx_exceptions)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__DMC__)
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// Digital Mars C++
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# if !defined(_CPPUNWIND)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__GNUC__) && !defined(__ibmxl__)
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// GNU C++:
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# if !defined(__EXCEPTIONS)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__KCC)
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// Kai C++
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# if !defined(_EXCEPTIONS)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__CODEGEARC__)
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// CodeGear - must be checked for before Borland
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# if !defined(_CPPUNWIND) && !defined(__EXCEPTIONS)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__BORLANDC__)
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// Borland
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# if !defined(_CPPUNWIND) && !defined(__EXCEPTIONS)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__MWERKS__)
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// Metrowerks CodeWarrior
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# if !__option(exceptions)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__IBMCPP__) && defined(__COMPILER_VER__) && defined(__MVS__)
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// IBM z/OS XL C/C++
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# if !defined(_CPPUNWIND) && !defined(__EXCEPTIONS)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(__ibmxl__)
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// IBM XL C/C++ for Linux (Little Endian)
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# if !__has_feature(cxx_exceptions)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# elif defined(_MSC_VER)
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// Microsoft Visual C++
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//
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// Must remain the last #elif since some other vendors (Metrowerks, for
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// example) also #define _MSC_VER
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# if !defined(_CPPUNWIND)
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# define BOOST_LEAF_NO_EXCEPTIONS
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# endif
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# endif
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#endif
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#ifdef BOOST_NORETURN
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# define BOOST_LEAF_NORETURN BOOST_NORETURN
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#else
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# if defined(_MSC_VER)
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# define BOOST_LEAF_NORETURN __declspec(noreturn)
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# elif defined(__GNUC__)
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# define BOOST_LEAF_NORETURN __attribute__ ((__noreturn__))
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# elif defined(__has_attribute) && defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x5130)
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# if __has_attribute(noreturn)
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# define BOOST_LEAF_NORETURN [[noreturn]]
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# endif
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# elif defined(__has_cpp_attribute)
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# if __has_cpp_attribute(noreturn)
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# define BOOST_LEAF_NORETURN [[noreturn]]
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# endif
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# endif
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#endif
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#if !defined(BOOST_LEAF_NORETURN)
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# define BOOST_LEAF_NORETURN
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#endif
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////////////////////////////////////////
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#ifndef BOOST_LEAF_DIAGNOSTICS
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# define BOOST_LEAF_DIAGNOSTICS 1
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#endif
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#if BOOST_LEAF_DIAGNOSTICS!=0 && BOOST_LEAF_DIAGNOSTICS!=1
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# error BOOST_LEAF_DIAGNOSTICS must be 0 or 1.
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#endif
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////////////////////////////////////////
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#ifdef _MSC_VER
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# define BOOST_LEAF_ALWAYS_INLINE __forceinline
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#else
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# define BOOST_LEAF_ALWAYS_INLINE __attribute__((always_inline)) inline
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#endif
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////////////////////////////////////////
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#ifndef BOOST_LEAF_NODISCARD
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# if __cplusplus >= 201703L
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# define BOOST_LEAF_NODISCARD [[nodiscard]]
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# else
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# define BOOST_LEAF_NODISCARD
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# endif
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#endif
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////////////////////////////////////////
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#ifndef BOOST_LEAF_CONSTEXPR
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# if __cplusplus > 201402L
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# define BOOST_LEAF_CONSTEXPR constexpr
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# else
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# define BOOST_LEAF_CONSTEXPR
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# endif
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#endif
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////////////////////////////////////////
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#ifndef BOOST_LEAF_ASSERT
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# ifdef BOOST_ASSERT
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# define BOOST_LEAF_ASSERT BOOST_ASSERT
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# else
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# include <cassert>
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# define BOOST_LEAF_ASSERT assert
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# endif
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#endif
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////////////////////////////////////////
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#ifndef BOOST_LEAF_NO_EXCEPTIONS
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# include <exception>
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# if (defined(__cpp_lib_uncaught_exceptions) && __cpp_lib_uncaught_exceptions >= 201411L) || (defined(_MSC_VER) && _MSC_VER >= 1900)
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# define BOOST_LEAF_STD_UNCAUGHT_EXCEPTIONS 1
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# else
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# define BOOST_LEAF_STD_UNCAUGHT_EXCEPTIONS 0
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# endif
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#endif
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#endif
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