September 2017
Beginner to intermediate
396 pages
9h 46m
English
This recipe shows just one aspect of usefulness. Here we have used the lenses created for JSON using the aeson library. This helps us parse arbitrary JSON without actually writing an instance of FromJSON or ToJSON required to represent the user-defined data. The lens can be similarly used for simplifying the manipulation of large data structures required for certain libraries.
Read now
Unlock full access