Useful Rust features

Still need to make the compiler happy

Leaving off from last time

• Exercises:
• Anything regarding the borrow checker or Rust?

Exercises for today

• Enums
• Vecs
• Iterators
• Error handling

More exercises (in-class and HW)

• Web backend API for a basic in-memory key-value store:
• CSV to JSON converter

input.csv
first_name,last_name,age,hometown
johnny,johnson,29,mexico
jason,apple,21,usa
amy,barker,38,europe
allen,harper,93,england
jeremy,staller,19,australia

Run: csv2json input.csv

Outputs:

[
  {
    "first_name": "johnny",
    "last_name": "johnson",
    "age": "29",
    "hometown": "mexico"
  },
  ...
]