Boo.Lang.Runtime.RuntimeServices.MissingOperatorMessageFor C# (CSharp) Метод

        private static string MissingOperatorMessageFor(string operatorName, Type lhsType, Type rhsType)
        {
            return string.Format("{0} is not applicable to operands '{1}' and '{2}'.", FormatOperatorName(operatorName), lhsType, rhsType);
        }