I like this idea. I think it is a good addition. Using `get_in`, it is
impossible to tell if the key exists, but with `nil` as value, or of it
doesn't exist.
On Monday, August 29, 2016 at 1:11:29 PM UTC+2, Brian Cardarella wrote:
>
> When using `with` there are several times I wish I could have reached
> deeper into a Map or Keyword list in a single line rather than multiple
> fetch statements. Ideally it would work like this:
>
> ```
> map = %{foo: %{bar: "baz"}}
>
> %{:ok, "bar"} = fetch_in(map, [:foo, :bar])
> :error = fetch_in(map, [:foo, :qux])
> :error = fetch_in(map, [:bar])
> ```
>
> If this is OK I can implement it.
>
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