focus

0.1.1

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A functional optics library. Create and compose lenses to view, set, and modify data inside arbitrarily nested maps, lists, and tuples.

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focus lib focus.ex

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lib/focus.ex

defmodule Focus do
  @moduledoc """
  Shared elements for the Focus modules.
  """
  @type product     :: map | struct | tuple
  @type sum         :: list
  @type traversable :: product | sum
  @type maybe       :: {:ok, any} | {:error, any}
end

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