From f5b779fb9ff543362aae27af4d970d4b64e711cc Mon Sep 17 00:00:00 2001
From: Mikkel Kamstrup Erlandsen <mikkel@axiom.co>
Date: Fri, 2 Jun 2023 12:24:04 +0200
Subject: [PATCH] fix error handling example in docs

---
 doc/error.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/doc/error.md b/doc/error.md
index f464f21..e540ab9 100644
--- a/doc/error.md
+++ b/doc/error.md
@@ -44,7 +44,9 @@ func downloadFile(name string) error {
 }
 
 func downloadAllFiles() error {
-	firstErr, _ := seq.MappingOf(filesToDownload.Seq(), downloadFile).First(1)
-    return firstErr.Or(nil)	
+	firstErr, _ := seq.MappingOf(filesToDownload.Seq(), downloadFile).
+		Where(seq.IsNonZero[error]).
+		First()
+	return firstErr.Or(nil)	
 }
 ```
\ No newline at end of file