From 8d0243dcdee69a3f57118497430cc9936fac0777 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Wed, 25 Feb 2026 08:16:33 -0500
Subject: [PATCH] Add free std::swap() specialization function for rcp

---
 include/rcp.h | 6 ++++++
 tests.cpp     | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/include/rcp.h b/include/rcp.h
index d49a156..9d33a6a 100644
--- a/include/rcp.h
+++ b/include/rcp.h
@@ -246,6 +246,12 @@ namespace std
             return hash<const void *>()(static_cast<const void *>(p.get_raw()));
         }
     };
+
+    template <typename T>
+    void swap(rcp<T> & a, rcp<T> & b) noexcept
+    {
+        a.swap(b);
+    }
 }
 
 template <typename T, typename U>
diff --git a/tests.cpp b/tests.cpp
index 6bd55a3..1ca8d0c 100644
--- a/tests.cpp
+++ b/tests.cpp
@@ -376,6 +376,9 @@ void test_swap()
     a.swap(b);
     assert(a->x == 3);
     assert(b->x == 1);
+    std::swap(a, b);
+    assert(a->x == 1);
+    assert(b->x == 3);
 }
 
 void test_hash()