Data commit

Task/Classes/EMal/classes.emal

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+type Bear ^| the type system is informed about the new type,
+           | here we are in the static context
+           |^
+model # instance context
+  text name # instance variable
+  ^|
+   | in EMal the instance variables are ordered, and a default
+   | variadic constructor is provided by the runtime.
+   | Every value passed to the constructor sets the instance variable
+   | according to the order.
+   |^
+  fun makeNoise = void by block # method of Bear
+    writeLine("Growl!")
+  end
+end
+type Cat
+model
+  text noise
+  new by text noise # an explicit constructor
+    me.noise = noise # we must use me to access instance variables
+  end
+  fun makeNoise = void by block
+    writeLine(me.noise)
+  end
+end
+type Main
+Bear bear = Bear("Bruno") # creating a new instance
+writeLine("The bear is called " + bear.name)
+bear.makeNoise()
+Cat("Meow").makeNoise()