Is there some abstraction in current ghc library
that implements something like Reader, but where
the value of the environment is updated at every
"step"?
do-it-yourself? you can start from reader definition and add what you
need. you just need to make "initial state" consisting from state
itself and update function so `run` will have just one initialization argument
Sure. I've done a few versions, trying to change
the way (>>=) is defined, and learned a lot with
that. But I wanted to know if there's already the
"right way to do it" instead of my "newbie way to
do it" :)
Thanks,
Maurício
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