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-rw-r--r--src/mongo/base/string_data_comparator_interface.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/base/string_data_comparator_interface.h b/src/mongo/base/string_data_comparator_interface.h
index f532aafeae4..a8a4cee7a26 100644
--- a/src/mongo/base/string_data_comparator_interface.h
+++ b/src/mongo/base/string_data_comparator_interface.h
@@ -42,7 +42,7 @@ public:
/**
* Compares two StringData objects.
*/
- virtual int compare(StringData left, StringData right) = 0;
+ virtual int compare(StringData left, StringData right) const = 0;
};
} // namespace mongo