7 Mar
2018
7 Mar
'18
11:54 a.m.
On Wed, Mar 7, 2018 at 11:42 AM Ivan Perez
(Note for other readers: reminds me of lenses. Maybe StateT and Lens can be combined?)
I've only skimmed the conversation, but I believe you're looking for zoom https://hackage.haskell.org/package/lens-4.16/docs/Control-Lens-Zoom.html#v:... Ollie