Exercise: Elevator Events

We will create a data structure to represent an event in an elevator control system. It is up to you to define the types and functions to construct various events. Use #[derive(Debug)] to allow the types to be formatted with {:?}.

This exercise only requires creating and populating data structures so that main runs without errors. The next part of the course will cover getting data out of these structures.

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Speaker Notes

 This slide and its sub-slides should take about 15 minutes.
  • If students ask about #![allow(dead_code)] at the top of the exercise, it’s necessary because the only thing we do with the Event type is print it out. Due to a nuance of how the compiler checks for dead code this causes it to think that the code is unused. They can ignore it for the purpose of this exercise.