From b8863c403a44c1c7ac35f1a1da92bbf3c8858552 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 9 Feb 2022 23:53:18 +0800
Subject: ...

---
 src/ui/controls/NoChildControl.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/ui/controls/NoChildControl.cpp')

diff --git a/src/ui/controls/NoChildControl.cpp b/src/ui/controls/NoChildControl.cpp
index 29177828..4a9002ed 100644
--- a/src/ui/controls/NoChildControl.cpp
+++ b/src/ui/controls/NoChildControl.cpp
@@ -1,3 +1,8 @@
 #include "cru/ui/controls/NoChildControl.h"
 
-namespace cru::ui::controls {}
+namespace cru::ui::controls {
+void NoChildControl::ForEachChild(
+    const std::function<void(Control*)>& callback) {
+  CRU_UNUSED(callback);
+}
+}  // namespace cru::ui::controls
-- 
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