yemux

defmodule Yemux.Result do
  @moduledoc ~S"""
  Tools for Result tuples `{:ok|:error, any()}`
  """

  @type t :: {:ok | :error, any()}
  @doc ~S"""

    iex(1)> and_ok({:ok, nil}, fn -> 42 end)
    {:ok, 42}

    iex(2)> and_ok({:error, 41}, fn -> 42 end)
    {:error, 41}

  """
  @spec and_ok(t(), any())::t()
  def and_ok(result, non_result)
  def and_ok({:ok, _}, non_result), do: {:ok, non_result.()}
  def and_ok(error, _non_result), do: error

  # @doc ~S"""

  #   iex(3)> unwrap({:ok, 42})
  #   42

  #   iex(4)> unwrap({:error, 41})
  #   {:error, 41}

  # """
  # def unwrap(result)
  # def unwrap({:ok, value}), do: value
  # def unwrap(error), do: error
end
# SPDX-License-Identifier: Apache-2.0