From 6d2f393f2b2b1fa428e8258a759736702ec1fce4 Mon Sep 17 00:00:00 2001
From: Sam Atkins <sam@ladybird.org>
Date: Thu, 24 Apr 2025 15:43:12 +0100
Subject: [PATCH] LibGC: Make GC::Root formattable

---
 Libraries/LibGC/Root.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Libraries/LibGC/Root.h b/Libraries/LibGC/Root.h
index eb9a2be3f2f..f9f100cea30 100644
--- a/Libraries/LibGC/Root.h
+++ b/Libraries/LibGC/Root.h
@@ -170,6 +170,14 @@ struct Traits<GC::Root<T>> : public DefaultTraits<GC::Root<T>> {
     static unsigned hash(GC::Root<T> const& handle) { return Traits<T>::hash(handle); }
 };
 
+template<typename T>
+struct Formatter<GC::Root<T>> : Formatter<T const*> {
+    ErrorOr<void> format(FormatBuilder& builder, GC::Root<T> const& value)
+    {
+        return Formatter<T const*>::format(builder, value.ptr());
+    }
+};
+
 namespace Detail {
 template<typename T>
 inline constexpr bool IsHashCompatible<GC::Root<T>, T> = true;