1 files changed, 37 insertions, 0 deletions
diff --git a/asl/memory/layout.hpp b/asl/memory/layout.hpp
new file mode 100644
index 0000000..af867d8
--- /dev/null
+++ b/asl/memory/layout.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "asl/base/integers.hpp"
+#include "asl/base/meta.hpp"
+
+namespace asl
+{
+
+template<typename T>
+inline constexpr isize_t size_of = static_cast<isize_t>(sizeof(T));
+
+template<typename T>
+inline constexpr isize_t align_of = static_cast<isize_t>(alignof(T));
+
+struct layout
+{
+    isize_t size;
+    isize_t align;
+
+    constexpr bool operator==(const layout&) const = default;
+
+    template<is_object T>
+    static constexpr layout of()
+    {
+        return layout{ size_of<T>, align_of<T> };
+    }
+
+    template<is_object T>
+    static constexpr layout array(isize_t size)
+    {
+        return layout{ size_of<T> * size, align_of<T> };
+    }
+};
+
+} // namespace asl
+
+#define AslOffsetOf(S, M) (static_cast<isize_t>(__builtin_offsetof(S, M)))