Erlang ETS cheatsheet

iex> table = :ets.new(:my_table, [])
     8211

iex> :ets.insert(table, {:fruit, "Apple"})
iex> :ets.lookup(table, :fruit)
     [{:fruit, "Apple"}]

iex> :ets.delete(table)
iex> :ets.delete_all_objects(table)

iex> table = :ets.new(:my_table, [:set, :protected])

:set	no duplicate keys (or: :ordered_set, :bag, :duplicate_bag)
:protected	only this process can use it (or: :public, :private)

:ets.first(table)
:ets.last(table)
:ets.next(table, key)
:ets.prev(table, key)