Initial data commit

Task/Function-prototype/Ada/function-prototype-1.ada

@@ -0,0 +1,6 @@
+function noargs return Integer;
+function twoargs (a, b : Integer) return Integer;
+--  varargs do not exist
+function optionalargs (a, b : Integer := 0) return Integer;
+--  all parameters are always named, only calling by name differs
+procedure dostuff (a : Integer);

Task/Function-prototype/Ada/function-prototype-2.ada

@@ -0,0 +1,5 @@
+type Box; --  tell Ada a box exists (undefined yet)
+type accBox is access Box; --  define a pointer to a box
+type Box is record --  later define what a box is
+   next : accBox; --  including that a box holds access to other boxes
+end record;

Task/Function-prototype/Ada/function-prototype-3.ada

@@ -0,0 +1,4 @@
+package Stack is
+   procedure Push(Object:Integer);
+   function Pull return Integer;
+end Stack;

Task/Function-prototype/Ada/function-prototype-4.ada

@@ -0,0 +1,13 @@
+package body Stack is
+
+   procedure Push(Object:Integer) is
+   begin
+      -- implementation goes here
+   end;
+
+   function Pull return Integer;
+   begin
+      -- implementation goes here
+   end;
+
+end Stack;

Task/Function-prototype/Ada/function-prototype-5.ada

@@ -0,0 +1,8 @@
+with Stack;
+procedure Main is
+   N:integer:=5;
+begin
+   Push(N);
+   ...
+   N := Pull;
+end Main;