From 489ba81bd278231d3ebd04f64797c00f2c7e240d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=BCdiger=20Schmitz?=
 <152157960+bahkauv70@users.noreply.github.com>
Date: Wed, 19 Feb 2025 15:44:04 +0100
Subject: [PATCH] fix: if a struct is empty it is an empty json object.
 Returning nil will break json marshalling

---
 templates/go/model_oneof.mustache | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/go/model_oneof.mustache b/templates/go/model_oneof.mustache
index 8366014..649b03d 100644
--- a/templates/go/model_oneof.mustache
+++ b/templates/go/model_oneof.mustache
@@ -123,7 +123,7 @@ func (src {{classname}}) MarshalJSON() ([]byte, error) {
 	}
 
 {{/oneOf}}
-	return nil, nil // no data in oneOf schemas
+	return []byte("{}"), nil // no data in oneOf schemas => empty JSON object
 }
 
 // Get the actual instance