Creating a list of paths from a Keyword list

[Adzz]

By way of update, I solved the problem and turned it into a library

Announcing - KeywordLens - A library for dealing with nested data structures

What’s it all about? A keyword lens is a nested keyword-like structure used to describe paths into certain data types. It is similar to the list you can provide to Ecto’s Repo.preload/2 You can describe a KeywordLens like this: [a: :b, c: [d: :e]] Such a list is handy for describing subsets of nested data structures. For example, you can imagine the following KeywordLens: [a: :b] applied to this map: %{a: %{b: 1}} points to the value 1. In contrast this KeywordLens: [:a, :b] applied to this m…