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TextFile

with Text_Io;
separate (Many_Objects_Rules)
package body Create_Object_Rule is
    function Premiss return Queries is
    begin
        return (States.Exist ((Value => Is_Equal (0))),
                Numbers.Exist ((Value => Is_Less (Max_Objects))));
    end Premiss;


    procedure Action (The_Facts : Fact.Collection) is
        The_Number : Fact.Name renames The_Facts (2);
        The_Value  : Integer := Numbers.Get (The_Number, Slot => Value);
    begin
        The_Value := The_Value + 1;  
        Objects.Add (The_Fact => (X => The_Value, Y => The_Value * 2));
        -- Text_Io.Put_Line ("creating object X =>" & Integer'Image (The_Value));
        Numbers.Change (The_Number, Value, The_Value);
    end Action;
end Create_Object_Rule;