From 1798fbe3881ec0f4abde416771b88285191cbd16 Mon Sep 17 00:00:00 2001
From: Jonas Knobloch <jonas.knobloch@t-online.de>
Date: Fri, 3 Apr 2026 20:32:02 +0200
Subject: Add helper to count documents

---
 dataset/string.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'dataset/string.go')

diff --git a/dataset/string.go b/dataset/string.go
index c1f7600..76f047b 100644
--- a/dataset/string.go
+++ b/dataset/string.go
@@ -20,6 +20,10 @@ func (s *StringReader) Texts() iter.Seq2[int, string] {
 	}
 }
 
+func (s *StringReader) Num() (int, error) {
+	return 1, nil
+}
+
 func (s *StringReader) Err() error {
 	return nil
 }
-- 
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