From 66ffd2ad8c793c4eea1527848fe4772e42595718 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 2 Apr 2026 14:24:52 +0200
Subject: kapi: extract common bus code

---
 libs/kstd/include/kstd/bits/unique_ptr.hpp | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

(limited to 'libs/kstd')

diff --git a/libs/kstd/include/kstd/bits/unique_ptr.hpp b/libs/kstd/include/kstd/bits/unique_ptr.hpp
index f50335c..3d803b4 100644
--- a/libs/kstd/include/kstd/bits/unique_ptr.hpp
+++ b/libs/kstd/include/kstd/bits/unique_ptr.hpp
@@ -46,10 +46,8 @@ namespace kstd
     template<typename U>
       requires(std::is_convertible_v<U *, T *>)
     unique_ptr(unique_ptr<U> && other) noexcept
-        : pointer(other.pointer)
-    {
-      other.pointer = nullptr;
-    }
+        : pointer{std::exchange(other.pointer, nullptr)}
+    {}
 
     /**
      * @brief Deleted copy assignment operator to enforce unique ownership.
@@ -62,10 +60,8 @@ namespace kstd
      * @param other Unique pointer to move from.
      */
     unique_ptr(unique_ptr && other) noexcept
-        : pointer(other.pointer)
-    {
-      other.pointer = nullptr;
-    }
+        : pointer{std::exchange(other.pointer, nullptr)}
+    {}
 
     /**
      * @brief Move assignment operator. Transfers ownership from other to *this as if by calling reset(r.release()).
@@ -78,8 +74,7 @@ namespace kstd
       if (this != &other)
       {
         delete pointer;
-        pointer = other.pointer;
-        other.pointer = nullptr;
+        pointer = std::exchange(other.pointer, nullptr);
       }
       return *this;
     }
@@ -134,9 +129,7 @@ namespace kstd
      */
     auto release() -> T *
     {
-      T * temp = pointer;
-      pointer = nullptr;
-      return temp;
+      return std::exchange(pointer, nullptr);
     }
 
     /**
@@ -150,8 +143,7 @@ namespace kstd
      */
     auto reset(T * ptr = nullptr) -> void
     {
-      delete pointer;
-      pointer = ptr;
+      delete std::exchange(pointer, ptr);
     }
 
     /**
-- 
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