Boo.Lang.Runtime.RuntimeServices.UnboxUInt64 C# (CSharp) Метод

        public static UInt64 UnboxUInt64(object value)
        {
            if (value is UInt64)
                return (UInt64)value;
            if (value is IConvertible)
                return CheckNumericPromotion(value).ToUInt64(null);
            return (UInt64)value;
        }