In page 17 it says this file should live in
lib/coordinate.ex but later on in page 21 it looks like this file should be in
agent/lib/coordinate.ex. As the link there takes you to the file without its context (maybe a git commit in a repo would be better?), it’s hard to verify the correct folder for this file.
My confusion here is that as this file defines the
IslandsEnding.Coordinate module, shouldn’t it be placed in