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<d_bot>
<EduardoRFS> there is any good way to call OCaml code on another shared library directly? I'm compiling native code during execution and I can load the shared library, but I want to call a symbol following the OCaml convention
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<oni-on-ion>
EduardoRFS : ah. i use foreign for this:
<oni-on-ion>
like : let initWindow = foreign "InitWindow" (int @-> int @-> string @-> returning void)
<oni-on-ion>
using "open Foreign , open CTypes"
<d_bot>
<EduardoRFS> I actually wanted to call OCaml code, so foreign will not respect the OCaml ABI. But I did some hacks using Obj.magic and wrapping pointers
<oni-on-ion>
ah, there must be a way for this. bytecode files can be loaded/reloaded tho
<oni-on-ion>
of course there must be. most packages etc. are linked as shared library, and they are ocaml code.
<oni-on-ion>
using dune and topfind it is automatic
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<d_bot>
<EduardoRFS> yes but this packages they're known at build time, what I want is to call a symbol that isn't known at build time, dynamically
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<d_bot>
<EduardoRFS> Maybe there is a primitive to apply non closure functions? Maybe a way to inject assembly instructions at any point?
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<oni-on-ion>
hmm. i feel you may be overcomplicating it, but i am not ocaml expert
<oni-on-ion>
make ocaml library with dune and then open it
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<reynir>
I've never used it, but is dynlink relevant?
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<d_bot>
<n4323> to me it sounds like the use case of dynlink precisely
<d_bot>
<n4323> there you would have to make a mutable table of symbols before dynlinking which the dynlinked code can fill with its own functions. so at least the types of any dynamically loaded functions have to be known beforehand. afaiu.
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<d_bot>
<Cyclomatic Complexity> What is `with type := t` in OCaml? I can't find it in the man. It is not part of module constraints described there: https://caml.inria.fr/pub/docs/manual-ocaml/modtypes.html . And I can't guess its semantics from an interpreter.
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<d_bot>
<tjammer> ocaml tooling keeps pleasantly surprise me. After being already impressed with dune, odoc just worked out of the box. And odig is simply amazing. No comparison to the hoops I usually have to jump through with cmake and doxygen
<d_bot>
<Anurag> the tooling is indeed really nice. That said a lot of C++ tooling sets a really low bar when it comes to developer UX....
<d_bot>
<Drup> And you haven't seen the next version of odoc yet 💪
<d_bot>
<Lupus> What's the latest on exception backtraces? Running some lwt code, it seems that backtrace is lost at the moment I do `switch%lwt` and pattern match on exception. I'm running on 4.08, may be things have improved since that?
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<d_bot>
<Lupus> If there are no exceptions between my exception being raised, and retrieval of backtrace sometime later, should I be able to see that backtrace?
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<d_bot>
<bikal> @Drup sounds exciting. Does the odoc master work, i.e. if I pin in it opam will dune b @doc work?
<d_bot>
<Drup> well, if you try and it doesn't, please report your results 😄
<d_bot>
<Drup> (I think it should be ok now, there are probably still a few bugs around :p)