From 15b882d0416bb83a18e5437480c08419b2035e1f Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Tue, 31 Mar 2026 22:52:52 +0200
Subject: kstd: add some basic observer_ptr tests

---
 libs/kstd/include/kstd/observer_ptr | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'libs/kstd/include')

diff --git a/libs/kstd/include/kstd/observer_ptr b/libs/kstd/include/kstd/observer_ptr
index d3d24b4..97c9e5e 100644
--- a/libs/kstd/include/kstd/observer_ptr
+++ b/libs/kstd/include/kstd/observer_ptr
@@ -6,6 +6,7 @@
 #include <compare>
 #include <concepts>
 #include <cstddef>
+#include <type_traits>
 #include <utility>
 
 namespace kstd
@@ -52,7 +53,7 @@ namespace kstd
     //! Reset the observer pointer.
     //!
     //! @param pointer The new object to watch.
-    constexpr auto reset(element_type * pointer) noexcept -> void
+    constexpr auto reset(element_type * pointer = nullptr) noexcept -> void
     {
       m_ptr = pointer;
     }
@@ -84,7 +85,7 @@ namespace kstd
     //! Get the currently watched object.
     //!
     //! @return A reference to the currently watched object.
-    [[nodiscard]] constexpr auto operator*() const noexcept -> element_type &
+    [[nodiscard]] constexpr auto operator*() const noexcept -> std::add_lvalue_reference_t<element_type>
     {
       throw_on_null();
       return *m_ptr;
@@ -126,7 +127,7 @@ namespace kstd
     }
 
     //! The raw pointer to the watched object.
-    ElementType * m_ptr;
+    ElementType * m_ptr{};
   };
 
   //! Swap two observer pointers.
-- 
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