From b6982cd1c8cd05f0b43f58007808a4dbc57501ce Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Sat, 25 Nov 2023 12:19:57 -0300
Subject: [PATCH] fix

---
 vlib/v/gen/c/struct.v              |  2 ++
 vlib/v/tests/anon_fn_option_test.v | 26 ++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 vlib/v/tests/anon_fn_option_test.v

diff --git a/vlib/v/gen/c/struct.v b/vlib/v/gen/c/struct.v
index f47e63d75d77b0..715057e0e83938 100644
--- a/vlib/v/gen/c/struct.v
+++ b/vlib/v/gen/c/struct.v
@@ -616,6 +616,8 @@ fn (mut g Gen) struct_init_field(sfield ast.StructInitField, language ast.Langua
 			if (sfield.expected_type.has_flag(.option) && !sfield.typ.has_flag(.option))
 				|| (sfield.expected_type.has_flag(.result) && !sfield.typ.has_flag(.result)) {
 				g.expr_with_opt(sfield.expr, sfield.typ, sfield.expected_type)
+			} else if sfield.expr is ast.LambdaExpr && sfield.expected_type.has_flag(.option) {
+				g.expr_opt_with_cast(sfield.expr, sfield.typ, sfield.expected_type)
 			} else {
 				g.left_is_opt = true
 				g.expr_with_cast(sfield.expr, sfield.typ, sfield.expected_type)
diff --git a/vlib/v/tests/anon_fn_option_test.v b/vlib/v/tests/anon_fn_option_test.v
new file mode 100644
index 00000000000000..dd25f412daefd2
--- /dev/null
+++ b/vlib/v/tests/anon_fn_option_test.v
@@ -0,0 +1,26 @@
+struct Foo {
+	bar ?fn ()
+}
+
+fn test_main() {
+	foo1 := Foo{
+		bar: || println('foo1')
+	}
+	foo2 := Foo{
+		bar: fn () {
+			println('foo2')
+		}
+	}
+	if bar_fn := foo1.bar {
+		bar_fn()
+		assert true
+	} else {
+		assert false
+	}
+	if bar_fn := foo2.bar {
+		bar_fn()
+		assert true
+	} else {
+		assert false
+	}
+}