Adding section on objects

content/courses/advanced-ada/parts/data_types/arrays.rst

@@ -766,3 +766,17 @@ that the length be 20 at most, and it's 40 in this case. Also, the
 assignment to :ada:`M_F2` fails because the predicate requires that the first
 element must be set to :ada:`2.0`, and :ada:`MD10 (1)` has the value 4.0.
 
+
+..
+    TO BE DONE:
+
+    Slices
+    -----
+
+    .. todo::
+
+        - Simple definition of array slices in Ada
+
+    .. admonition:: In the Ada Reference Manual
+
+        - :arm22:`4.1.2 Slices <4-1-2>`

content/courses/advanced-ada/parts/data_types/numerics.rst

@@ -3,6 +3,24 @@ Numerics
 
 .. include:: ../../../global.txt
 
+.. ::
+
+    .. _Adv_Ada_Universal_Real_Integer:
+
+    Universal Real and Integer
+    --------------------------
+
+    .. todo::
+
+        Complete section!
+
+        - Universal real vs. integer
+        - Accuracy
+        - Compile time vs. runtime evaluation
+        - Named Numbers
+        - Operations in named numbers expressions
+
+
 Modular Types
 -------------