ParallelTask: easily run functions in parallel and capture the results ReceiptDecoder: Decode iOS App receipt

Using GenServer :via

I have two GenServers that use the same handle_* interface so I figured out how to use :via to talk to either through the same means.

https://blog.oestrich.org/2017/08/genserver-via/

Shameless plug: Check out @elixirstatus' other community project:

Credo, a new static code analysis tool that acts as a code linter, but also focusses on teaching coding practices and code consistency.