Backend to print the datasets measurements on the console.

Using it with IEx

iex(1)> Alchemetrics.ConsoleBackend.enable
:ok
Starting Elixir.Alchemetrics.ConsoleBackend with following options: []
iex(2)> Alchemetrics.increment(:my_metric)
:ok
iex(3)> Alchemetrics.increment(:my_metric)
:ok
iex(4)> Alchemetrics.increment(:my_metric)
:ok
iex(5)> %{datapoint: :last_interval, name: :my_metric, options: [], value: 3}
%{datapoint: :total, name: :my_metric, options: [], value: 3}

Starting on application boot

To start Alchemetrics.ConsoleBackend at application boot, just add it to the :backends config option. Start up parameters are set in opts option.

# on config/config.exs
config :alchemetrics, backends: [
  {Alchemetrics.ConsoleBackend, []}
]