From 3d652b3ff013ae15c7c67596be68dca806e657b5 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Wed, 11 Mar 2026 16:15:59 +0300
Subject: [PATCH] cgen: referenced values are displayed incorrectly (fixes
 #18440)

---
 .../generics/generics_struct_to_string_test.v | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/vlib/v/tests/generics/generics_struct_to_string_test.v b/vlib/v/tests/generics/generics_struct_to_string_test.v
index 486fb4f4c..6533f119c 100644
--- a/vlib/v/tests/generics/generics_struct_to_string_test.v
+++ b/vlib/v/tests/generics/generics_struct_to_string_test.v
@@ -31,3 +31,50 @@ fn test_generic_struct_to_string() {
 	println(ret)
 	assert ret.contains('data: 234')
 }
+
+@[heap]
+struct RefNode[T] {
+pub mut:
+	value T
+}
+
+struct RefList[T] {
+pub mut:
+	node ?&RefNode[T]
+}
+
+fn (mut l RefList[T]) add(value T) {
+	l.node = &RefNode[T]{
+		value: value
+	}
+}
+
+fn (l RefList[T]) array() []T {
+	mut a := []T{}
+	mut n := l.node or { return a }
+	a << n.value
+	return a
+}
+
+@[heap]
+struct ReferencedValue {
+	n int
+}
+
+fn test_generic_struct_to_string_with_reference_values() {
+	mut list := RefList[&ReferencedValue]{}
+	list.add(&ReferencedValue{
+		n: 5
+	})
+	assert list.array()[0].n == 5
+	assert '${list}' == 'RefList[&ReferencedValue]{
+    node: &Option(RefNode[&ReferencedValue]{
+        value: &ReferencedValue{
+            n: 5
+        }
+    })
+}'
+	assert '${list.array()}' == '[&ReferencedValue{
+    n: 5
+}]'
+}
-- 
2.39.5