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sbelak's profile
Simon Belak
Simon Belak
Simon Belak
@sbelak

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Simon Belak

@sbelak

Philosopher-hacker. Sometimes theatre director. Making myself obsolete at @Metabase

Joined February 2009

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    1. Brandon Bloom‏ @BrandonBloom 14 Jan 2017
      Replying to @technomancy @mpenet

      I'd actually really like to understand what kinds of problems it causes you, to better appreciate the communal obsession with an Option type

      3 replies 0 retweets 0 likes
    2. @technomancy@icosahedron.website‏ @technomancy 14 Jan 2017
      Replying to @BrandonBloom @mpenet

      https://blogs.janestreet.com/making-something-out-of-nothing-or-why-none-is-better-than-nan-and-null/ … too easy for nonsense values to propagate; problems manifest distant from their root causes

      1 reply 0 retweets 1 like
    3. Brandon Bloom‏ @BrandonBloom 14 Jan 2017
      Replying to @technomancy @mpenet

      Yeah, that's fair. I've developed some defense mechanisms where most of my code has helpers for validating and dumping at key stages.

      1 reply 0 retweets 0 likes
    4. Brandon Bloom‏ @BrandonBloom 14 Jan 2017
      Replying to @BrandonBloom @technomancy @mpenet

      For example, prior to spec, I had a dataflow graph in a compiler IR and I wrote a validation function. Then I ran it before/after every step

      3 replies 0 retweets 0 likes
    5. @technomancy@icosahedron.website‏ @technomancy 14 Jan 2017
      Replying to @BrandonBloom @mpenet

      heh so you're saying "nil isn't that bad as long as you build your own compiler to work around the problems it causes"

      1 reply 0 retweets 2 likes
    6. Brandon Bloom‏ @BrandonBloom 14 Jan 2017
      Replying to @technomancy @mpenet

      No no, the program I was writing was a compiler for something else entirely :-P

      1 reply 0 retweets 0 likes
    7. Brandon Bloom‏ @BrandonBloom 14 Jan 2017
      Replying to @BrandonBloom @technomancy @mpenet

      I recalled it specifically because the invariants were complex and intermediate graphs necessarily passed through invalid states.

      1 reply 0 retweets 0 likes
    8. Max Penet‏ @mpenet 14 Jan 2017
      Replying to @BrandonBloom @technomancy

      pb for me is that everything is basically an opt type, but nothing in the compiler enforces you to handle it..

      3 replies 0 retweets 0 likes
    9. @technomancy@icosahedron.website‏ @technomancy 14 Jan 2017
      Replying to @mpenet @BrandonBloom

      you don't need the compiler's help for this--having to match against a tuple wrapper is plenty of reminder in Erlang.

      2 replies 0 retweets 0 likes
    10. Brandon Bloom‏ @BrandonBloom 14 Jan 2017
      Replying to @technomancy @mpenet

      Like I said, I definitely do want this to work in clj: (if-let [[x :ok] (some-op-with-a-return-code a b c)] on-success on-failure)

      2 replies 0 retweets 2 likes
      Simon Belak‏ @sbelak 14 Jan 2017
      Replying to @BrandonBloom @technomancy @mpenet

      I find myself using spec more and more for destructuring. s/conform + case or match does wonders

      10:32 AM - 14 Jan 2017
      0 replies 0 retweets 0 likes

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