Attempt to work around MSVC apparent preprocessor bug.

It complains about SOME_MACRO(wrong_number_of_arguments) even if that text is discarded and thus never expanded.
stlab · Aug 2, 2024 · 2249c0d · 2249c0d
1 parent b9c7513
commit 2249c0d
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/include/adobe/contract_checks.hpp b/include/adobe/contract_checks.hpp
@@ -169,9 +169,9 @@ class contract_violation final : public ::std::logic_error
 //
 // Expands to a statement that reports a precondition failure (and
 // <message> if supplied) when <condition> is false.
-#define ADOBE_PRECONDITION(...) \
-  ADOBE_THIRD_ARGUMENT(         \
-    __VA_ARGS__, ADOBE_PRECONDITION_2(__VA_ARGS__), ADOBE_PRECONDITION_1(__VA_ARGS__), ignored)
+#define ADOBE_PRECONDITION(...)                                                          \
+  ADOBE_THIRD_ARGUMENT(__VA_ARGS__, ADOBE_PRECONDITION_2, ADOBE_PRECONDITION_1, ignored) \
+  (__VA_ARGS__)
 
 // Expands to a statement that reports a precondition failure when
 // condition is false.