Specs

api(opts()) :: {:ok, t()} | {:error, :no_group}

identifies which type of group is being used, builds API functions, and caches them in the process dictionary

Options

• :leader - override detected group leader with specified one (mostly used in testing)

Specs

del(type(), key(), opts()) :: {:ok, value() | nil} | {:error, :no_group}

delete data value of a given type and a given key

Specs

enum(type(), opts()) ::
  {:ok, [{{type(), key()}, value()}] | [{key(), value()}]} | {:error, :no_group}

enumerates all key-values of a given data type

Specify the special type :_ to read data of all types

Specs

get(type(), key(), opts()) :: {:ok, value() | nil} | {:error, :no_group}

get data value of a given type and a given key

Specs

put(type(), key(), value(), opts()) ::
  {:ok, value() | nil} | {:error, :no_group}

store data value of a given type and a given key