-> Topics: Programming with mutable state; the State monad; using multiple monads together
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-> Here are some OCaml libraries: [[Juli8|code/juli8.ml]] and [[Monad|code/monad.ml]]. We'll write up explanations of these soon. But quickly, before you `#use "juli8.ml"`, you have to run this in your OCaml session. (I have these lines in my `~/.ocamlinit` file, so they run every time OCaml starts up:
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-> #load "str.cma";;
-> module Std = struct
-> include Pervasives
-> module List = List
-> module Random = Random
-> module String = String
-> end