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-rw-r--r--src/mongo/db/query/collation/collator_interface.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mongo/db/query/collation/collator_interface.h b/src/mongo/db/query/collation/collator_interface.h
index 962ccadb718..c86e1390fa5 100644
--- a/src/mongo/db/query/collation/collator_interface.h
+++ b/src/mongo/db/query/collation/collator_interface.h
@@ -95,13 +95,13 @@ public:
* 0 if 'left' is greater than 'right' w.r.t. the collation, and 0 if 'left' and 'right' are
* equal w.r.t. the collation.
*/
- virtual int compare(StringData left, StringData right) = 0;
+ virtual int compare(StringData left, StringData right) const = 0;
/**
* Returns the comparison key for 'stringData', according to this collation. See ComparisonKey's
* comments for details.
*/
- virtual ComparisonKey getComparisonKey(StringData stringData) = 0;
+ virtual ComparisonKey getComparisonKey(StringData stringData) const = 0;
/**
* Returns whether this collation has the same matching and sorting semantics as 'other'.