Fix

Author: yaito3014

include/iris/pp/seq.hpp

@@ -5,6 +5,7 @@
 
 #include <iris/pp/cat.hpp>
 #include <iris/pp/for.hpp>
+#include <iris/pp/increment.hpp>
 
 #define IRIS_PP_SEQ_ELEM(index, seq) IRIS_PP_SEQ_ELEM_I(IRIS_PP_CAT(IRIS_PP_SEQ_ELEM_I_, index) seq)
 #define IRIS_PP_SEQ_ELEM_I(intermediate) IRIS_PP_SEQ_ELEM_I_I(intermediate)
@@ -36,7 +37,7 @@
 #define IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_PRED_I(index, seq, macro, data) IRIS_PP_SEQ_SIZE(seq)
 
 #define IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_UPDATE(state) IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_UPDATE_I state
-#define IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_UPDATE_I(index, seq, macro, data) (index, IRIS_PP_SEQ_TAIL(seq), macro, data)
+#define IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_UPDATE_I(index, seq, macro, data) (IRIS_PP_INCREMENT(index), IRIS_PP_SEQ_TAIL(seq), macro, data)
 
 #define IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_EXEC(state) IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_EXEC_I state
 #define IRIS_PP_SEQ_FOR_EACH_WITH_INDEX_I_EXEC_I(index, seq, macro, data) macro(index, IRIS_PP_SEQ_HEAD(seq), data)

include/iris/pp/tuple.hpp

@@ -20,7 +20,7 @@
   IRIS_PP_CAT(IRIS_PP_CAT(IRIS_PP_CAT(IRIS_PP_TUPLE_ELEM_I_, IRIS_PP_TUPLE_SIZE(tuple)), _), index) \
   tuple
 
-#define IRIS_PP_TUPLE_TO_SEQ(tuple) IRIS_PP_CAT(IRIS_PP_TUPLE_TO_SEQ_I_, IRIS_PP_TUPLE_SIZE(tuple))(tuple)
+#define IRIS_PP_TUPLE_TO_SEQ(tuple) IRIS_PP_CAT(IRIS_PP_TUPLE_TO_SEQ_I_, IRIS_PP_TUPLE_SIZE(tuple)) tuple
 
 #define IRIS_PP_TUPLE_ELEM_I_1_0(a0) a0
 

test/preprocess.cpp

@@ -55,6 +55,8 @@ TEST_CASE("tuple", "[preprocess]")
         STATIC_CHECK(IRIS_PP_STRINGIZE(IRIS_PP_TUPLE_ELEM(1, (a, b, c))) == "b"sv);
         STATIC_CHECK(IRIS_PP_STRINGIZE(IRIS_PP_TUPLE_ELEM(2, (a, b, c))) == "c"sv);
     }
+
+    STATIC_CHECK(IRIS_PP_STRINGIZE(IRIS_PP_TUPLE_TO_SEQ((a, b))) == "(a)(b)"sv);
 }
 
 TEST_CASE("if", "[preprocess]")