update boost

linx64/include/boost/vmd/detail/equal.hpp

@@ -493,6 +493,16 @@
     (d,vseq1,vseq2,be1,be2,type) \
 /**/
 
+#define BOOST_VMD_DETAIL_EQUAL_OV0(vseq1,vseq2) \
+    BOOST_VMD_DETAIL_EQUAL_EMPTY \
+        ( \
+        vseq1, \
+        , \
+        BOOST_VMD_IS_EMPTY(vseq1), \
+        1, \
+        ) \
+/**/
+
 #define BOOST_VMD_DETAIL_EQUAL_OV1(vseq1,vseq2) \
     BOOST_VMD_DETAIL_EQUAL_EMPTY \
         ( \
@@ -514,6 +524,17 @@
         ) \
 /**/
 
+#define BOOST_VMD_DETAIL_EQUAL_D_OV0(d,vseq1,vseq2) \
+    BOOST_VMD_DETAIL_EQUAL_EMPTY_D \
+        ( \
+        d, \
+        vseq1, \
+        , \
+        BOOST_VMD_IS_EMPTY(vseq1), \
+        1, \
+        ) \
+/**/
+
 #define BOOST_VMD_DETAIL_EQUAL_D_OV1(d,vseq1,vseq2) \
     BOOST_VMD_DETAIL_EQUAL_EMPTY_D \
         ( \

linx64/include/boost/vmd/detail/is_general_identifier.hpp

@@ -0,0 +1,65 @@
+
+//  (C) Copyright Edward Diener 2020
+//  Use, modification and distribution are 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).
+
+#if !defined(BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_HPP)
+#define BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_HPP
+
+#include <boost/preprocessor/comparison/equal.hpp>
+#include <boost/preprocessor/control/iif.hpp>
+#include <boost/preprocessor/logical/bitor.hpp>
+#include <boost/preprocessor/punctuation/is_begin_parens.hpp>
+#include <boost/preprocessor/variadic/size.hpp>
+#include <boost/preprocessor/variadic/elem.hpp>
+#include <boost/vmd/identity.hpp>
+#include <boost/vmd/is_empty.hpp>
+#include <boost/vmd/detail/identifier_concat.hpp>
+
+#define BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_VSEQ_RESULT(ignored) \
+    BOOST_VMD_IDENTITY_RESULT \
+        ( \
+        BOOST_VMD_IDENTITY(1)(ignored) \
+        ) \
+/**/
+
+#define BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_VSEQ_ID(vseq) \
+    BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_VSEQ_RESULT(BOOST_VMD_DETAIL_IDENTIFIER_CONCATENATE(vseq)) \
+/**/
+
+#define BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_VSEQ(vseq) \
+    BOOST_VMD_IDENTITY_RESULT \
+        ( \
+        BOOST_PP_IIF \
+          ( \
+          BOOST_PP_BITOR \
+            ( \
+            BOOST_VMD_IS_EMPTY(vseq), \
+            BOOST_PP_IS_BEGIN_PARENS(vseq) \
+            ), \
+          BOOST_VMD_IDENTITY(0), \
+          BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_VSEQ_ID \
+          ) \
+        (vseq) \
+        ) \
+/**/
+
+#define BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_SINGLE(...) \
+    BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_VSEQ(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \
+/**/
+
+#define BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER(...) \
+    BOOST_VMD_IDENTITY_RESULT \
+        ( \
+        BOOST_PP_IIF \
+            ( \
+            BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),1), \
+            BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_SINGLE, \
+            BOOST_VMD_IDENTITY(0) \
+            ) \
+        (__VA_ARGS__) \
+        ) \
+/**/
+
+#endif /* BOOST_VMD_DETAIL_IS_GENERAL_IDENTIFIER_HPP */