Transport for London, the body responsible for delivery of a new bike system, come to you with a plan: a network of docking stations and bikes that anyone can use. They want you to build a program that will emulate all the docking stations, bikes, and infrastructure (repair staff, and so on) required to make their dream a reality.
Domain models
Below are some domain models representing
User story nouns
Person, bike, docking stations
User story verbs
Use (bike), release (bike), check (bike)
User story tables
| Object | Messages |
|---|---|
| Person | |
| Bike | working? |
| DockingStation | release_bike |
User story diagrams
Person -> check_bike -> Bike Docking_Station -> release_bike -> Bike
Errors are Good:
Error type:
NameError: uninitialized constant DockingStation
File path:
/usr/share/rvm/rubies/ruby-2.4.1/bin/irb:11:in `
line number of error:
1
What does this error mean:
This error occurs when the code refers to a class or module that it can't find. Suggested solution:
Define a class or module with the name DockingStation.