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-rw-r--r--examples/c++/variant.yy2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/c++/variant.yy b/examples/c++/variant.yy
index f77a746a..8fba6325 100644
--- a/examples/c++/variant.yy
+++ b/examples/c++/variant.yy
@@ -98,7 +98,7 @@ item:
namespace yy
{
// Use nullptr with pre-C++11.
-#if defined __cplusplus && __cplusplus < 201103L
+#if !defined __cplusplus || __cplusplus < 201103L
# define NULLPTR 0
#else
# define NULLPTR nullptr