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-rw-r--r--absl/utility/utility.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/absl/utility/utility.h b/absl/utility/utility.h
index d37f4c30..1943c4ac 100644
--- a/absl/utility/utility.h
+++ b/absl/utility/utility.h
@@ -45,6 +45,7 @@
#include <utility>
#include "absl/base/config.h"
+#include "absl/base/internal/inline_variable.h"
#include "absl/base/internal/invoke.h"
#include "absl/meta/type_traits.h"
@@ -155,7 +156,8 @@ using std::in_place;
// `absl::optional`, designed to be a drop-in replacement for C++17's
// `std::in_place_t`.
struct in_place_t {};
-extern const in_place_t in_place;
+
+ABSL_INTERNAL_INLINE_CONSTEXPR(in_place_t, in_place, {});
#endif // ABSL_HAVE_STD_OPTIONAL