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  • Blog Post: Recursion Is The New Iteration

    I remember the strange feeling as a kid the first time I saw structured BASIC after having been doing everything with line numbers. Any time I happened to walk into a Radio Shack in the early 80s I’d just have to leave this behind:   I was in a GOTO / GOSUB world ( give it a try ). The first time...
  • Blog Post: Rinse and Recurse

    [Part 4 of the FScheme series ] Recursive ‘let’ Normal ‘let’ can’t be used to bind names to recursive expressions (ones referring back to the names) because the expressions end up being evaluated in the calling environment before it’s been extended with the names...
  • Blog Post: Towers of Hanoi

    A friend of mine is starting a pretty fun looking math blog . His first post is on Towers of Hanoi . I'm sure he'll tackle it with some slick mathematics, but my usual M.O. is to convert everything to code. I remember this "Hello Recursive World" from SICP in Scheme; looks better in F#: let rec hanoi...
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