From 2c457c42758f1aeb5e2ec15f89b9702586328220 Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Wed, 26 Mar 2025 18:54:49 +0100
Subject: Add address_of

---
 asl/memory/memory.hpp      | 11 +++++++++++
 asl/types/BUILD.bazel      |  1 +
 asl/types/function_ref.hpp |  5 +++--
 todo.txt                   |  2 +-
 4 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/asl/memory/memory.hpp b/asl/memory/memory.hpp
index 2c5301e..5ea4766 100644
--- a/asl/memory/memory.hpp
+++ b/asl/memory/memory.hpp
@@ -17,6 +17,17 @@ constexpr void* operator new(size_t, void* ptr) noexcept
 namespace asl
 {
 
+template<typename T>
+[[nodiscard]]
+constexpr T* address_of(T& obj)
+{
+    return __builtin_addressof(obj);
+}
+
+template<typename T>
+void address_of(const T&& obj) = delete;
+
+[[nodiscard]]
 constexpr isize_t memcmp(const void* a, const void* b, isize_t size)
 {
     return __builtin_memcmp(a, b, static_cast<size_t>(size));
diff --git a/asl/types/BUILD.bazel b/asl/types/BUILD.bazel
index 198d0a2..53905a3 100644
--- a/asl/types/BUILD.bazel
+++ b/asl/types/BUILD.bazel
@@ -97,6 +97,7 @@ cc_library(
     ],
     deps = [
         "//asl/base",
+        "//asl/memory",
     ],
     visibility = ["//visibility:public"],
 )
diff --git a/asl/types/function_ref.hpp b/asl/types/function_ref.hpp
index 8daa5bd..8d874f1 100644
--- a/asl/types/function_ref.hpp
+++ b/asl/types/function_ref.hpp
@@ -7,6 +7,7 @@
 #include "asl/base/utility.hpp"
 #include "asl/base/meta.hpp"
 #include "asl/base/functional.hpp"
+#include "asl/memory/memory.hpp"
 
 namespace asl
 {
@@ -43,7 +44,7 @@ public:
             && same_as<invoke_result_t<T, Args...>, R>
         )
         // NOLINTNEXTLINE(*cast*)
-        : m_obj{const_cast<void*>(reinterpret_cast<const void*>(&t))}
+        : m_obj{const_cast<void*>(reinterpret_cast<const void*>(address_of(t)))}
         , m_invoke{invoke<un_ref_t<T>>}
     {}
 
@@ -56,7 +57,7 @@ public:
         )
     {
         // NOLINTNEXTLINE(*cast*)
-        m_obj = const_cast<void*>(reinterpret_cast<const void*>(&t));
+        m_obj = const_cast<void*>(reinterpret_cast<const void*>(address_of(t)));
         m_invoke = invoke<un_ref_t<T>>;
 
         return *this;
diff --git a/todo.txt b/todo.txt
index 8b13789..5ea5980 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1 +1 @@
-
+Separate memory and allocator
-- 
cgit