I think you'll be able to achieve this cleanly with Kernel.get_in and 
Kernel.update_in with Elixir 1.3. I'm sure there's more info somewhere, but 
this is the extent of my knowledge at this time: 
https://twitter.com/elixirlang/status/735942800039088129

-Greg

> On May 27, 2016, at 6:56 AM, Thijs Klaver <[email protected]> wrote:
> 
> Hello,
> 
> In the same sense as Enum.filter_map/3, Enum.map_join/3, I propose 
> Enum.find_map/4 (or Enum.find_transform/4).
> Right now you would do something like
> 
> foo = 
>   Enum.find list, nil, fn item -> some_check(item) end
>   |> if(foo, do: foo.bar)
> 
> With Enum.find_map you could do something like this
> 
> foo = Enum.find list, nil, fn item -> some_check(item) end, fn item -> 
> Map.get item, :bar end
> 
> This way you don't have to check if Enum.find actually found something before 
> transforming it.
> 
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