From ed82bbd2f338e0b068038853c5b81f6d0e0d53cb Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Tue, 8 Jul 2025 13:16:53 +0300
Subject: [PATCH] doc: err is

---
 doc/docs.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/doc/docs.md b/doc/docs.md
index 080d04782e..229708de2a 100644
--- a/doc/docs.md
+++ b/doc/docs.md
@@ -4190,6 +4190,18 @@ user := repo.find_user_by_id(7) or {
 }
 ```
 
+Use `err is ...` to compare errors:
+```v oksyntax
+import io
+
+x := read() or {
+	if err is io.Eof {
+		println('end of file')
+	}
+	return
+}
+```
+
 #### Options/results when returning multiple values
 
 Only one `Option` or `Result` is allowed to be returned from a function. It is