Get Started

Using GitHub Codespaces

Click the green “Code” button, select the Codespaces tab, and create your own. Hopefully not too long after, you should be in VS Code inside your browser. Go to the “TERMINAL” tab, extend it and run dune test. Tests should fail; this is normal. You may need to install a missing dependency using the command opam install.

Using Replit

You need to have a configured account at https://replit.com/

Click into “Create a Repl”, “Import from GitHub”, “From URL” (use https://github.com/tarides/camellito) and select “Blank Repl” as template. Not too long after, you should be able to edit the lib/task.ml. Pressing the green “Run” button will launch the test cases.

Read some Docs

So that you know, you'll be given access to the documentation you need to use to complete the task. Please do not refer to other documentation.

Code!

Open the files lib/task.ml and lib/task.mli.

• task.mli - describes what the functions should do.
• task.ml - write your code here.

Tips:

1. Code samples from the tutorials can be executed in the provided environment. Find the terminal tab, launch utop command. In the tutorials, copy expressions after #, including the ;;. In Terminal-Utop, paste the expression and press Return. The output in the Utop should be the same as in the tutorial. You can also enter your expressions, try 2 + 2 for instance (always finish your input by ;; and Return). Exit utop with Ctrl+D or #quit;;

2. You may have to delete more than the pragma and the failwith.

3. To implement the functions split_words and split_lines you can the module Str with the following regular expressions: "\r?\n" and "\\(\\(\r?\n\\)\\| \\|\t\\)+"

4. To implement the function discuss_wc you need to use the function Curly.get from package curly. If you are using Codespace, you'll need to install it using Opam. If you are using Replit, it's already installed.

Build and Test

Here is the command you need to type to build your code:

$ dune build

Here is the command you need to type to test your code:

$ dune test

Mission Complete

Once all the tests are successfully passed, you've succeeded.