wanting to keep a few of the features for later.
Introducing Xf, or Transform Functions. The idea behind this one was to
emulate lenses from functional languages in Ruby in a pragmatic way with a
bit of a Ruby twist.
Deal with a lot of JSON and transforming it? Have no idea where the key is,
or even if it's in the same place? Xf is great with that, give it a shot!
Was tempted to add some of this to Qo, but the concerns were fairly