Move make and destroy to luna

kernel/src/memory/Heap.h

@@ -7,16 +7,4 @@ Result<void*> kcalloc(usize nmemb, usize size);
 Result<void*> krealloc(void* ptr, usize size);
 Result<void> kfree(void* ptr);
 
-template <typename T> Result<T*> make()
-{
-    void* ptr = TRY(kcalloc(1, sizeof(T)));
-    return new (ptr) T;
-}
-
-template <typename T> Result<void> destroy(T* item)
-{
-    item->~T();
-    return kfree(item);
-}
-
 void dump_heap_usage();

luna/include/luna/Alloc.h

@@ -0,0 +1,28 @@
+#pragma once
+#include <luna/PlacementNew.h>
+#include <luna/Result.h>
+#include <luna/SafeArithmetic.h>
+
+template <typename T> Result<T*> make()
+{
+    T* const result = new T;
+    if (!result) return err(ENOMEM);
+    return result;
+}
+
+template <typename T> Result<T*> make_array(usize count)
+{
+    T* const result = new T[count];
+    if (!result) return err(ENOMEM);
+    return result;
+}
+
+template <typename T> void destroy(T* item)
+{
+    delete item;
+}
+
+template <typename T> void destroy_array(T* item)
+{
+    delete[] item;
+}