Generates definitions of various things related to tagged value tuples, like {:ok, value} and {:error, reason}.

Examples

defmodule Tagged.Status
  use Tagged

  deftagged ok
  deftagged error
end

Construct and Destructure

iex> use Tagged.Status
iex> ok(:computer)
{:ok, :computer}
iex> with error(reason) <- {:ok, :computer}, do: raise reason
{:ok, :computer}

Type definitions

_iex> use Tagged.Status
_iex> t Tagged.Status.error
@type error() :: {:error, term()}

Tagged value tuple, containing term().