File r37/lisp/csl/jlisp/CarFn.java artifact 8444ee883f part of check-in 3c4d7b69af


class CarFn extends BuiltinFunction
{
    public LispObject op1(LispObject arg1) throws Exception
    {
        if (arg1.atom) return error("Attempt to take car of an atom");
        else return arg1.car;
    }
}

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