<d_bot>
<cdisselkoen> I'm still getting an error `The package "threads.posix" can't be found.` I made sure that `lib/ocaml/threads/threads.cma` was available, and `lib/threads/META` has a `posix` entry which points to it. Is there a dynamic dependency on the standard library even when compiling with `dune` in `native` mode? If so, how do I install the minimum required to run `native` executables?
<d_bot>
<cdisselkoen> (note that this happens even when I have no explicit dependency on `threads` or `threads.posix` in my app)
<d_bot>
<thangngoc89> Thank you for building c-cube for building https://github.com/c-cube/spelll . I’m building a dictionary lookup service and planning on building a radix trie + longest common prefix search but fuzzy search is more preferable
<companion_cube>
cool!
<companion_cube>
haven't touched that in a while but hopefully you find it useful
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<d_bot>
<thangngoc89> Thanks. I'm slowly hooking it up to dream. let's see if I can make the dream works
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<d_bot>
<darrenldl> > let's see if I can make the dream works
<d_bot>
<darrenldl> inspirational
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<olle>
No comment on that? :D
<zozozo>
olle: haven't yet read everything, but concerning the idea about IO, algebraic effects could provide something similar
<olle>
Sure
<olle>
I'm just surprised
<d_bot>
<RegularSpatula> I had maybe a similar problem to you. Compiling a native executable on a machine with a certain version of glibc (2.32) and trying to run the executable on a machine with a lower version of glibc (2.30 iirc). The pthreads was specifically having symbols from 2.32 glibc which of course wasn’t found on the target machine. That dependency on pthreads came from Jane streets Core. You can use `objdump -T` or a similar command
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<companion_cube>
olle: sounds like it'd be a good fit for your job, no? you use php?
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<olle>
companion_cube: yeah, but hack abandon php
<olle>
it's just another facebook language now
<olle>
And I doubt such a feature would make it into PHP land the next 5-10 years. Hack type checker is made in OCaml, PHP is in C.
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<olle>
Possibly one of the static checkers. But those are written in PHP.
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<olle>
Psalm do have @pure annotation tho
<olle>
One could build on that
<d_bot>
<Deadrat> Scala also has an ongoing effort to add capabilites and typed effects
<d_bot>
<Deadrat> Dotty repo/cc-experiment branch
<companion_cube>
surely it still looks like php?
<olle>
companion_cube: Hack? Yes, but it's an entire different ecosystem, one controlled by PHP. The commit is super-high if you want to change, as is the risk. You never know if FB will say, fuck it, we're doing something else now.
<olle>
controlled by Facebook*
<olle>
Even Flow by FB decided they will start to add non-JS syntax now.
<olle>
They're unpredictable as f***
<olle>
Basically internal project that incidentally are available as open-source, without any spirit of community.
<companion_cube>
isn't Flow dead?
<companion_cube>
ah well.
<olle>
companion_cube: Not for FB, it's so much faster than typescript that it's still worth it for them. iirc
<olle>
it's dead in the JS ecosystem tho, yes.
<companion_cube>
ah, funny, ok.
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<olle>
I tried both Flow and TS last year internally, they can both be used on vanilla JS still, with some annotations. Pretty nice.
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<olle>
And of course Flow uses OCaml too ^^
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<d_bot>
<theangryepicbanana> Hack is pretty cool ngl
<d_bot>
<theangryepicbanana> I would consider using it if it were to add some of PHP 8's new features
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<olle>
There's no way you can use it and be able to run it 2 years from now without maintenance.
<olle>
Sorry, I'm just bitter ^^
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<d_bot>
<Deadrat> Using php non ironically?
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<d_bot>
<Deadrat> Why would anyone want to experience eternal torment and misery?
<olle>
Legacy code and money
<olle>
Runs everywhere
<d_bot>
<Deadrat> Wydm by money?
<olle>
My salary xD
<d_bot>
<Deadrat> Ohh
<d_bot>
<Deadrat> I though you can earn well with any language
<d_bot>
<Deadrat> But aren't php devs one of the lowest paid?
<d_bot>
<Deadrat> Among other languages
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<d_bot>
<Deadrat> On 3 billion devices
<olle>
Dunno
<olle>
My salary is not so high
<olle>
I could bump it by switching jobs
<olle>
But I'm having a pretty good time, so :)
<olle>
It's higher than my 0 EUR OCaml salary ^^
<SquidDev>
The dependently typed model for Hack's effects seems pretty cool - not seen something like that before. Though possibly more confusing than its worth.
<SquidDev>
They don't seem to be extensible though, so no effect handlers or anything "interesting".
<d_bot>
<Alistair> e.g. composing the reader and writer monads
<olle>
SquidDev: You checked the source?
<SquidDev>
olle: Oh, no. Just was going off the docs. Do they after all?
<olle>
Ah
<olle>
No idea
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<SquidDev>
Yeah, I couldn't see anything in the source - very much looks like a hardcoded list.
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<olle>
Makes sense for their use-case
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<d_bot>
<mimoo> is there a way to expand maccros in ocaml? To see what code they generate?
<d_bot>
<thangngoc89> @mimoo maybe utop -dsource
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<d_bot>
<octachron> For ppxs with dune, dune generates a ppx executable by directory. You can run this executable with the source as input and it should output the transformed code source.
<d_bot>
<cdisselkoen> thanks!
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<kvik>
is there a reasoning behind ocaml being a slightly weird SML -- syntax wise? fun vs. fn, semicolon vs. comma list separator, etc. :)
<octachron>
You mean beyond the fact that OCaml is not following the SML spec? And that if you put n people in a room, you generally end up with 2^n slightly different syntaxes?
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<d_bot>
<mimoo> any ways to do that with `dune utop` 😄 ?
<kvik>
octachron: i mean that the syntax choices mentioned seem pointedly specific, in a language that otherwise very much resembles SML. it makes me think there's more to it than just somebody feeling like doing things a tad differently
<d_bot>
<thangngoc89> @mimoo it's the same. `dune utop -dsource` ?
<octachron>
";" makes nesting tuples in list easier and avoid some punctuation overdose `[1,2;3,4]` vs `[(1,2),(3,4)]`. `fun` is slightly more readable and 50% lengthier .
<kvik>
mhm, makes sense
<octachron>
It doesn't seem like strange differences for two language that diverged in the eighties.
<kvik>
right. i just feel better about the difference now that i have some rational explanation for it :)
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<companion_cube>
I still wish we had a shorter syntax for functions
<d_bot>
<mimoo> dune: unknown option `-d'.
<companion_cube>
@kvik also apparently the authors of OCaml loved the keyword "let"