Elixpath.query

You're seeing just the function query, go back to Elixpath module for more information.
Link to this function

query(data, path_or_str, opts \\ [])

Specs

query(data :: term(), t() | String.t(), [Elixpath.Parser.option()]) ::
  {:ok, [term()]} | {:error, reason :: term()}

Query data from nested data structure. Returns list of matches, wrapped by :ok. When no match, {:ok, []} is returned.

Options

For path parsing options, see Elixpath.Parser.parse/2.