User struct for get_in

user.ex

defmodule User do
  defstruct [:age]

  def fetch(term, key) do
    Map.fetch(term, key)
  end

  def get(term, key, default) do
    Map.get(term, key, default)
  end

  def get_and_updated(data, key, function) do
    Map.get_and_update(data, key, function)
  end

  def pop(data, key) do
    Map.pop(data, key)
  end
end