Update page 'P# 1.0 Draft Specification'

P%23-1.0-Draft-Specification.md

@@ -223,6 +223,20 @@ Above example will create a multi-dimensional associative array containing integ
         [8] => int(0),
     }
 
+### 5.13. Type Casting
+Type casting in P# works much as it does in C/C++ - the name of the desired type is written in parentheses before the variable which is to be cast:
+ * (bool) - casts to Boolean
+ * (float) casts to Float
+ * (int) - casts to Integer
+ * (object) - casts to Object
+ * (string) - casts to String
+ * (unset) - casts to NULL
+
+    <%
+        string $str = "45";
+        int $integer = 7 + (int) $str; // contains value: 52
+    %>
+
 ## Future P# Versions
 This paragraph describes an ideas for future versions of P# language specification
  * Pointers support