We're going to start by installing Homebrew which will make installing everything else we need much easier.
Open a Terminal window and copy and paste the following into your terminal:
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Then ensure you have the latest version of Homebrew by typing the following:
$ brew update
And finally, ensure that Homebrew's environment is in a healthy state:
$ brew doctor
This may give you some commands to run in order to fix any problems, which you should do before continuing.
Now we're ready to install Elixir on our system. We'll be using Homebrew to do that.
When building a software project you will often use libraries created by other people. In order to both specify and automatically download these dependencies you'll want to use a dependency management system.
In order to express the requirements of our code we're going to use a testing framework. Testing frameworks, at their most basic, allow you to test the output of a function when given a certain input.
Let's create a test for our first requirement - translating
Let's add some code to actually do something with the word we are passed.
The Pig Latin rules state that when the word starts with a vowel we just add `way` to the end of it.
Since we only have tests for words starting with vowels, let's do the minimum amount of work to get our test passing - appending `way` to the word that's passed it.