[Question][Hw3] About ocaml language

[ee12ha0220]

1. How do I use utils.ml? If I use the instruction in the tutorial, an error occurs.
   

2. What is the function of dune file?

[RiceBiscuits]

1. You can use utils.ml as a library when you write your code.

2. Dune will build and test your code.
   If you want to know more details about Dune, please see links below.
   (Dune build: https://dune.readthedocs.io/en/stable/quick-start.html#building-a-hello-world-program)
   (Dune test: https://dune.readthedocs.io/en/stable/quick-start.html#defining-tests)

[ee12ha0220]

Thank you! :)