From bb6b6d17ec171ce7f6635c678099bab466d64c20 Mon Sep 17 00:00:00 2001
From: Celestino Amoroso <celestino.amoroso@gmail.com>
Date: Sun, 3 May 2026 06:30:56 +0200
Subject: [PATCH] operator-map.go: return nil on error

---
 operator-map.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/operator-map.go b/operator-map.go
index 91b6a7b..7f38cd7 100644
--- a/operator-map.go
+++ b/operator-map.go
@@ -58,7 +58,9 @@ func evalMap(ctx kern.ExprContext, opTerm *term) (v any, err error) {
 	if err == io.EOF {
 		err = nil
 	}
-	v = values
+	if err == nil {
+		v = values
+	}
 	return
 }