Add A1.allocate() template to allocate struct/class instances

src/hulk/hurl/a1.d

@@ -50,4 +50,15 @@ struct A1
 
         return cast(void *)address;
     }
+
+    /**
+     * Allocate memory to store an instance of a given type.
+     *
+     * @return Address of allocated memory. This address will always be aligned
+     *   to a multiple of 16 bytes.
+     */
+    public static T * allocate(T)()
+    {
+        return cast(T *)allocate(T.sizeof);
+    }
 }