cheatsheets/ets.md

title	category	weight
Erlang ETS	Elixir	-1

ETS

Usage

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)

Flags

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

{: .-setup}

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

Ordered sets

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

References

{: .-one-column}

• http://erlang.org/doc/man/ets.html
• http://learnyousomeerlang.com/ets