namespace KumiScript.Interpreter
{
    public abstract class ListExpression : Expression
    {
        public ListExpression()
        {
        }

        public abstract Expression Car();
        public abstract ListExpression Cdr();
        public abstract ProperListExpression Cons(Expression expr);
        public abstract List<Expression> EvalMembers(Environment env);
        public abstract List<Expression> GetMembers();
    }
}