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-rw-r--r--base/string_split.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/base/string_split.h b/base/string_split.h
index 3e7881f..d36a71f 100644
--- a/base/string_split.h
+++ b/base/string_split.h
@@ -4,6 +4,7 @@
#ifndef BASE_STRING_SPLIT_H_
#define BASE_STRING_SPLIT_H_
+#pragma once
#include <string>
#include <utility>