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Mixins for Elixir namespaces and Misc utility functions

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kitchen_sink lib kitchen_sink merge path.ex
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lib/kitchen_sink/merge/path.ex 

defmodule KitchenSink.Merge.Path do

  @moduledoc false



  @doc """

  Merge keys from origin object into destination object. only values from the defined path get merged.

  The merge_key can be anything, it will be wrapped in a list to be used with the Access module

  """

  def path(destination_object, origin_object, merge_path) do

    merge_path = List.wrap(merge_path)

    merge_new_field = fn (_id, obj_to_update, update_obj) ->

      updated_field = get_in(update_obj, merge_path)

      put_in(obj_to_update, merge_path, updated_field)

    end



    Map.merge(destination_object, origin_object, merge_new_field)

  end

end