include "primitives.alh"

SimpleClassDiagram Architecture{
    SimpleAttribute String{
        constraint = $
            String function constraint(model : Element, name : String):
                if (is_physical_string(model["model"][name])):
                    return "OK"!
                else:
                    return "String has non-string value"!
            $
    }

    Class Group {
        name : String
    }

    Class Port {
        name : String
    }

    Association Connects (Port, Port) {}
    Association Contains (Group, Port) {}
}