Maps

map_diff

10.0

Calculates the difference between two (nested) maps, and returns a map representing the patch of changes.

deep_merge

8.5

Deep (recursive) merging for maps, keyword lists and whatever else you may want via implementing a simple protocol.

indifferent

1.6

Indifferent access on maps/lists/tuples with custom key transforms.

mappable

1.5

Convert different mappable types to each other in Elixir

mason

0.8

Mason uses superpowers to coerce maps into structs. This is helpful e.g. when you interface a REST API and want to create a struct from the response.