Oleg's Iteratee IO is an application of collection traversal to stream processing. He has been interested in coming up with a good technique to traverse general collection. I think Iteratee IO is an excellent and exciting application of collection traversal, but it's implemented in Haskell and it's kind of odd that he didn't come up with a Scheme version considering that he was very involved in Scheme.
So, I just had to try bringing it over to Scheme, at the risk of marring his work.
Here's my first attempt at imagining what the Iteratee examples in his slide would look like in Scheme. There are some repetitions that really should be streamlined or reduced in subsequent attempts.
What missing are: 1. lack of error resumption, and 2. resumption of partial computation through Monads. Instead partial computation has to be passed manually on each call.
imagining-iteratee-io-in-scheme.scm
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