feat():initial version

install/boost_1_75_0/include/boost/hana/config.hpp

@@ -0,0 +1,173 @@
+/*!
+@file
+Defines configuration macros used throughout the library.
+
+@copyright Louis Dionne 2013-2017
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef BOOST_HANA_CONFIG_HPP
+#define BOOST_HANA_CONFIG_HPP
+
+#include <boost/hana/version.hpp>
+
+
+//////////////////////////////////////////////////////////////////////////////
+// Detect the compiler
+//////////////////////////////////////////////////////////////////////////////
+
+#if defined(_MSC_VER) && !defined(__clang__) // MSVC
+    // This must be checked first, because otherwise it produces a fatal
+    // error due to unrecognized #warning directives used below.
+
+#   if _MSC_VER < 1915
+#       pragma message("Warning: the native Microsoft compiler is not supported due to lack of proper C++14 support.")
+#   else
+        // 1. Active issues
+        // Multiple copy/move ctors
+#       define BOOST_HANA_WORKAROUND_MSVC_MULTIPLECTOR_106654
+
+        // 2. Issues fixed in the development branch of MSVC
+        // Forward declaration of class template member function returning decltype(auto)
+#       define BOOST_HANA_WORKAROUND_MSVC_DECLTYPEAUTO_RETURNTYPE_662735
+
+        // 3. Issues fixed conditionally
+        // Requires __declspec(empty_bases)
+        // Empty base optimization
+#       define BOOST_HANA_WORKAROUND_MSVC_EMPTYBASE
+
+        // Requires /experimental:preprocessor
+        // Variadic macro expansion
+#       if !defined(_MSVC_TRADITIONAL) || _MSVC_TRADITIONAL
+#           define BOOST_HANA_WORKAROUND_MSVC_PREPROCESSOR_616033
+#       endif
+#   endif
+
+#elif defined(__clang__) && defined(_MSC_VER) // Clang-cl (Clang for Windows)
+
+#   define BOOST_HANA_CONFIG_CLANG BOOST_HANA_CONFIG_VERSION(               \
+                    __clang_major__, __clang_minor__, __clang_patchlevel__)
+
+#elif defined(__clang__) && defined(__apple_build_version__) // Apple's Clang
+
+#   if __apple_build_version__ >= 6020049
+#       define BOOST_HANA_CONFIG_CLANG BOOST_HANA_CONFIG_VERSION(3, 6, 0)
+#   endif
+
+#elif defined(__clang__) // genuine Clang
+
+#   define BOOST_HANA_CONFIG_CLANG BOOST_HANA_CONFIG_VERSION(               \
+                __clang_major__, __clang_minor__, __clang_patchlevel__)
+
+#elif defined(__GNUC__) // GCC
+
+#   define BOOST_HANA_CONFIG_GCC BOOST_HANA_CONFIG_VERSION(                 \
+                            __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
+
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// Check the compiler for general C++14 capabilities
+//////////////////////////////////////////////////////////////////////////////
+#if (__cplusplus < 201400)
+#   if defined(_MSC_VER)
+#       if _MSC_VER < 1915
+#           pragma message("Warning: Your compiler doesn't provide C++14 or higher capabilities. Try adding the compiler flag '-std=c++14' or '-std=c++1y'.")
+#       endif
+#   else
+#       warning "Your compiler doesn't provide C++14 or higher capabilities. Try adding the compiler flag '-std=c++14' or '-std=c++1y'."
+#   endif
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// Caveats and other compiler-dependent options
+//////////////////////////////////////////////////////////////////////////////
+
+// `BOOST_HANA_CONFIG_HAS_CONSTEXPR_LAMBDA` enables some constructs requiring
+// `constexpr` lambdas, which are in the language starting with C++17.
+//
+// Always disabled for now because Clang only has partial support for them
+// (captureless lambdas only).
+#if defined(__cplusplus) && __cplusplus > 201402L
+#   define BOOST_HANA_CONSTEXPR_STATELESS_LAMBDA constexpr
+// #   define BOOST_HANA_CONFIG_HAS_CONSTEXPR_LAMBDA
+#else
+#   define BOOST_HANA_CONSTEXPR_STATELESS_LAMBDA /* nothing */
+#endif
+
+// `BOOST_HANA_CONSTEXPR_LAMBDA` expands to `constexpr` if constexpr lambdas
+// are supported and to nothing otherwise.
+#if defined(BOOST_HANA_CONFIG_HAS_CONSTEXPR_LAMBDA)
+#   define BOOST_HANA_CONSTEXPR_LAMBDA constexpr
+#else
+#   define BOOST_HANA_CONSTEXPR_LAMBDA /* nothing */
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// Namespace macros
+//////////////////////////////////////////////////////////////////////////////
+#define BOOST_HANA_NAMESPACE_BEGIN namespace boost { namespace hana {
+
+#define BOOST_HANA_NAMESPACE_END }}
+
+//////////////////////////////////////////////////////////////////////////////
+// Library features and options that can be tweaked by users
+//////////////////////////////////////////////////////////////////////////////
+
+#if defined(BOOST_HANA_DOXYGEN_INVOKED) || \
+    (defined(NDEBUG) && !defined(BOOST_HANA_CONFIG_DISABLE_ASSERTIONS))
+    //! @ingroup group-config
+    //! Disables the `BOOST_HANA_*_ASSERT` macro & friends.
+    //!
+    //! When this macro is defined, the `BOOST_HANA_*_ASSERT` macro & friends
+    //! are disabled, i.e. they expand to nothing.
+    //!
+    //! This macro is defined automatically when `NDEBUG` is defined. It can
+    //! also be defined by users before including this header or defined on
+    //! the command line.
+#   define BOOST_HANA_CONFIG_DISABLE_ASSERTIONS
+#endif
+
+#if defined(BOOST_HANA_DOXYGEN_INVOKED)
+    //! @ingroup group-config
+    //! Disables concept checks in interface methods.
+    //!
+    //! When this macro is not defined (the default), tag-dispatched methods
+    //! will make sure the arguments they are passed are models of the proper
+    //! concept(s). This can be very helpful in catching programming errors,
+    //! but it is also slightly less compile-time efficient. You should
+    //! probably always leave the checks enabled (and hence never define this
+    //! macro), except perhaps in translation units that are compiled very
+    //! often but whose code using Hana is modified very rarely.
+#   define BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
+#endif
+
+#if defined(BOOST_HANA_DOXYGEN_INVOKED)
+    //! @ingroup group-config
+    //! Enables usage of the "string literal operator template" GNU extension.
+    //!
+    //! That operator is not part of the language yet, but it is supported by
+    //! both Clang and GCC. This operator allows Hana to provide the nice `_s`
+    //! user-defined literal for creating compile-time strings.
+    //!
+    //! When this macro is not defined, the GNU extension will be not used
+    //! by Hana. Because this is a non-standard extension, the macro is not
+    //! defined by default.
+#   define BOOST_HANA_CONFIG_ENABLE_STRING_UDL
+#endif
+
+#if defined(BOOST_HANA_DOXYGEN_INVOKED)
+    //! @ingroup group-config
+    //! Enables additional assertions and sanity checks to be done by Hana.
+    //!
+    //! When this macro is defined (it is __not defined__ by default),
+    //! additional sanity checks may be done by Hana. These checks may
+    //! be costly to perform, either in terms of compilation time or in
+    //! terms of execution time. These checks may help debugging an
+    //! application during its initial development, but they should not
+    //! be enabled as part of the normal configuration.
+#   define BOOST_HANA_CONFIG_ENABLE_DEBUG_MODE
+#endif
+
+#endif // !BOOST_HANA_CONFIG_HPP