1 files changed, 9 insertions, 1 deletions
diff --git a/vespalib/src/vespa/vespalib/fuzzy/levenshtein_distance.h b/vespalib/src/vespa/vespalib/fuzzy/levenshtein_distance.h
index f105dcdaaf4..e284e071731 100644
--- a/vespalib/src/vespa/vespalib/fuzzy/levenshtein_distance.h
+++ b/vespalib/src/vespa/vespalib/fuzzy/levenshtein_distance.h
@@ -19,7 +19,15 @@ namespace vespalib {
  */
 class LevenshteinDistance {
 public:
-    static std::optional<uint32_t> calculate(std::span<const uint32_t> left, std::span<const uint32_t> right, uint32_t threshold);
+    // Iff `prefix_match` == true, `right` is the candidate to match against prefix `left`
+    static std::optional<uint32_t> calculate(std::span<const uint32_t> left,
+                                             std::span<const uint32_t> right,
+                                             uint32_t threshold,
+                                             bool prefix_match);
+
+    static std::optional<uint32_t> calculate(std::span<const uint32_t> left,
+                                             std::span<const uint32_t> right,
+                                             uint32_t threshold);
 };
 
 }