Discrepancy between description and sample code

[canercin]

Overview of the feature request

While another class is mentioned in the sample description in the link, it is explained through another structure in the sample code or I misunderstood it.

Motivation for or Use Case

It would be very good (if true) to be corrected for friends who are starting to learn again.

• [+ ] Checking this box is mandatory (this is just to show you read everything)