From e5379736c1e1ef9858bc7818599a5870243d14f4 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Wed, 15 Apr 2026 05:17:10 +0300
Subject: [PATCH] cgen: fix inline `if` expression cannot return a closure
 (fixes #26595)

---
 .../if_expr_return_closure_with_locals_test.v | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 vlib/v/tests/conditions/ifs/if_expr_return_closure_with_locals_test.v

diff --git a/vlib/v/tests/conditions/ifs/if_expr_return_closure_with_locals_test.v b/vlib/v/tests/conditions/ifs/if_expr_return_closure_with_locals_test.v
new file mode 100644
index 000000000..4d38e585d
--- /dev/null
+++ b/vlib/v/tests/conditions/ifs/if_expr_return_closure_with_locals_test.v
@@ -0,0 +1,48 @@
+module main
+
+import time
+
+struct Event {
+mut:
+	value int
+}
+
+@[heap]
+struct Cfg {
+	wrap     bool
+	delay    time.Duration
+	callback fn (&int, mut Event) = unsafe { nil }
+}
+
+fn resolve(cfg Cfg) fn (&int, mut Event) {
+	user_cb := cfg.callback
+	result := if cfg.wrap && cfg.delay > 0 {
+		tag := 'tag'
+		dur := cfg.delay
+		fn [user_cb, tag, dur] (x &int, mut e Event) {
+			_ = dur
+			if user_cb != unsafe { nil } {
+				user_cb(x, mut e)
+			}
+			e.value += 1
+			println('wrapped(${tag}): ${e.value}')
+		}
+	} else {
+		cfg.callback
+	}
+	return result
+}
+
+fn test_if_expr_can_return_closure_after_local_decls() {
+	cb := resolve(Cfg{
+		wrap:     true
+		delay:    2 * time.second
+		callback: fn (x &int, mut e Event) {
+			e.value = *x
+		}
+	})
+	n := 41
+	mut e := Event{}
+	cb(&n, mut e)
+	assert e.value == 42
+}
-- 
2.39.5