You're seeing just the function new, go back to Ergo.Context module for more information.
Link to this function

new(input \\ "", options \\ [])

new returns a newly initialised Context with input set to the string passed in.


iex> alias Ergo.Context iex> assert %Context{status: :ok, input: "Hello World", line: 1, col: 1, index: 0, tracks: %{}} ="Hello World")