exposing the cardinality API of the fst

blevesearch · Dec 6, 2024 · c27a7c6 · c27a7c6
1 parent 60ebc9a
commit c27a7c6
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/dict.go b/dict.go
@@ -38,6 +38,13 @@ type Dictionary struct {
 // represents an immutable, empty dictionary
 var emptyDictionary = &Dictionary{}
 
+func (d *Dictionary) Cardinality() int {
+	if d.fst != nil {
+		return d.fst.Len()
+	}
+	return 0
+}
+
 // PostingsList returns the postings list for the specified term
 func (d *Dictionary) PostingsList(term []byte, except *roaring.Bitmap,
 	prealloc segment.PostingsList) (segment.PostingsList, error) {