Re: [Haskell-cafe] Fwd: Monad Transformers stack with variable depth

Doesn't lens already have StateT support? The operators with a '=' in them. On Wed, Mar 7, 2018 at 6:54 AM, Oliver Charles wrote:

On Wed, Mar 7, 2018 at 11:42 AM Ivan Perez wrote:

...

(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

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