eiffel-fragen/nachbedingung/counter.e


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class
               COUNTER

feature -- Access

    item: INTEGER
                          -- Counter's value.

feature -- Element change

    set (some_value: INTEGER) is
            -- Set value of counter to some_value.
             do
                         item := some_value
             ensure
             			 checkval > 0
             end

    get: INTEGER is
    		-- Get value of counter
    		do
    			Result := item
    		end

    checkval: INTEGER is
    		-- Get value of counter
    		do
    			Result := item
    		end
end