public static NeuOperation Execute(
        this NeuInterpreter interpreter,
        NeuBoolLiteralExpression boolLiteralExpr)
    {
        var boolKeyword = boolLiteralExpr.GetBoolKeyword();

        if (boolKeyword == null)
        {
            throw new Exception();
        }

        ///

        return(interpreter.Execute(boolKeyword));
    }