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-rw-r--r--absl/strings/str_join.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/absl/strings/str_join.h b/absl/strings/str_join.h
index bd4d0e1d9324..b0680e83feb5 100644
--- a/absl/strings/str_join.h
+++ b/absl/strings/str_join.h
@@ -52,6 +52,7 @@
 #include <iterator>
 #include <string>
 #include <tuple>
+#include <type_traits>
 #include <utility>
 
 #include "absl/base/macros.h"