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Ngnghm's profile
💻🐴Ngnghm
💻🐴Ngnghm
 💻 🐴Ngnghm
@Ngnghm

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 💻 🐴Ngnghm

@Ngnghm

Welcome to the Swiftian World of Houyhnhnm Computing ("Hunam"). I am @fare's software alter ego (but see @phanaero for cryptofoo). Call me "Ann". 🐎Read my blog!

Lair of the French Resistance
ngnghm.github.io
Joined August 2015

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    1.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      Replying to @Ngnghm @dyokomizo

      13. Interactive state? Oops, all objects are opaque by default. That all makes debugging all the harder, and/or forces yet more boilerplate on you for string converters. 14. Parametricity is way cool, but makes data even more opaque, and then you need to break it for debugging.

      1 reply 0 retweets 2 likes
    2.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      Replying to @Ngnghm @dyokomizo

      15. Configuration files? User specified computations? In OCaml you'll soon reinvent your own crappy evaluators. All the advantages of static typing vanish, and all your tooling. Or you reinvent the world, badly. Meanwhile your users must use a crappy language.

      2 replies 1 retweet 1 like
    3.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      16. GADTs... very cool, but not very usable: too powerful for a lot of the tooling to work, yet too weak to express the things you really want to say.

      2 replies 0 retweets 4 likes
    4.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      17. I never understood why people complained so much about the OCaml syntax, until I had to use it. Ugly, indents poorly. Case-sensitive, ugh. And is there really no way to specify a module for an infix operator without including the operands?

      3 replies 0 retweets 2 likes
    5.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      18. OCaml has no typeclasses, so you keep shadowing modules with newer modules that extend them… which is not modular. All the troubles of class inheritance, except without the benefits of late-bound fixed-points. To avoid copy/paste you need plenty of higher-order scaffolding.

      2 replies 0 retweets 5 likes
    6.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      19. Opaque types mean that it's impossible to extend a library. Thus so many forks and reinventions of libraries and datastructures, yet none is ever perfect and complete for everyone's needs, thus more pointless forks and bad reinventions—or accepting badness.

      1 reply 0 retweets 3 likes
    7.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      20. At least Haskellers have the abstract pure form of Category Theory to aspire to in defining their libraries, etc. But IIUC, this approach requires higher kinds that are not available in OCaml.

      2 replies 0 retweets 2 likes
    8.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      21. The best infix operator is |>, that allows you to, albeit locally, replace the demonic right-to-left evaluation (contravariant with how types are rightfully written) with god-given left-to-right evaluation. It also makes debugging nice: just pipe into a printing identity.

      1 reply 0 retweets 1 like
    9.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      21b. The above is a point where OCaml sucks a tiny bit less than Lisp, that has the same wrong, prefix, polish notation by default, but lacks a syntactically cheap way to right the syntax and evaluation order together.

      1 reply 0 retweets 1 like
    10.  💻 🐴Ngnghm‏ @Ngnghm May 17
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      22. Schema update? In OCaml, it's a global affair, and either programmers will have to keep using new names for the same stuff, or the old stuff will have to lie about its name. You'll end up reinventing your own poor man's slow dynamic typing helpers or unsafe magic tags.

      1 reply 0 retweets 1 like
       💻 🐴Ngnghm‏ @Ngnghm May 17
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      Replying to @Ngnghm @dyokomizo

      23. Then to deal with the lack of reflection inside the language and inside a process written in it, you'll likely reinvent a reflection and management infrastructure OUTSIDE the language, using outside processes reliant on the dirtiest kind of reflection, that offered by the OS.

      4:41 AM - 17 May 2020
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      • Daniel Yokomizo
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        1. New conversation
        2.  💻 🐴Ngnghm‏ @Ngnghm May 17
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          24. Don't get me wrong. I love types. I miss them dearly when writing in Scheme. I write bugs at every turn that types could have caught easily. But I don't miss the smug and crass superiority complex of those who cannot even imagine all that they forfeit to use their poor types.

          2 replies 2 retweets 10 likes
        3.  💻 🐴Ngnghm‏ @Ngnghm May 17
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          Replying to @Ngnghm @dyokomizo

          25. "It is better to have 100 functions operate on one data structure than 10 functions on 10 data structures." Inadvertent punning can be bad. But austere rejection of puns doesn't actually prevent puns, it just introduces overhead everywhere.

          0 replies 0 retweets 4 likes
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