Data commit

Task/Classes/Eiffel/classes-1.e

@@ -0,0 +1,2 @@
+class MY_CLASS
+end

Task/Classes/Eiffel/classes-2.e

@@ -0,0 +1,14 @@
+class MY_CLASS
+
+create
+   make
+
+feature {NONE} -- Initialization
+
+   make
+       -- This is a creation procedure or "Constructor".
+    do
+       create my_string.make_empty
+    end
+
+end

Task/Classes/Eiffel/classes-3.e

@@ -0,0 +1,43 @@
+class MY_CLASS
+
+create                      -- Here we are declaring ...
+   make,                    -- In the Feature group (below) we are coding
+   make_this_way,           -- each of these declared creation procedures.
+   make_that_way,           -- We can have as many constructors as we need.
+   make_another_way,
+   a_name_other_than_make
+
+feature {NONE} -- Initialization
+
+   make
+       -- This is a creation procedure or "Constructor".
+    do
+       -- Initialization code goes here ...
+    end
+
+   make_this_way
+       -- Make this way, rather than a plain ole "make".
+    do
+       -- Initialization code goes here ...
+    end
+
+   make_that_way
+       -- Create that way rather than this way (above).
+    do
+       -- Initialization code goes here ...
+    end
+
+   make_another_way
+       -- And still another way to create MY_CLASS.
+    do
+       -- Initialization code goes here ...
+    end
+
+   a_name_other_than_make
+       -- There is no requirement to use the word "make".
+       -- The word "make" is just a naming convention.
+    do
+       -- Initialization code goes here ...
+    end
+
+end

Task/Classes/Eiffel/classes-4.e

@@ -0,0 +1,48 @@
+class MY_CLASS
+
+create
+   make
+
+feature {NONE} -- Initialization
+
+   make
+       -- This is a creation procedure or "Constructor".
+    do
+       create my_string.make_empty
+    end
+
+feature -- Access (Properties)
+
+   my_string: STRING
+         -- This is a comment about `my_string', which is a "Property".
+
+   my_integer: INTEGER
+         -- Unlike `my_string' (above), the INTEGER type is an "Expanded Type".
+         -- This means INTEGER objects know how to self-initialize.
+
+   my_date: DATE
+         -- This attribute (or "Property") will need to be initialized.
+         -- One way to do that is to make a self-initializing attribute, thus ...
+      attribute
+         create Result.make_now
+      end
+
+feature -- Basic Operations (Methods)
+
+   do_something
+         -- Loop over and print the numbers 1 to 100 to the console.
+     do
+        across 1 |..| 100 as i loop print (i.out) end
+     end
+
+   do_something_else
+         -- Set a and b and print the result.
+     local
+        a, b, c: INTEGER
+     do
+        a := 1
+        b := 2
+        c := a + b
+     end
+
+end