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<infinity0>
when is 4.04 due for release?
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<Algebr>
Drup: is there a way to just recursively show all modules?
<Algebr>
in ocp-browser
<companion_cube>
ouch :D
<Drup>
not really, but ocp-index can
<Algebr>
perhaps a feature request
<Drup>
that would be a bit verbose
<Drup>
the current navigation system would have to be improved
<Algebr>
I'm fine with current nav, say I have one top level module with two submodules which each have a small footprint, want to see all of it at once
<Algebr>
companion_cube: what is the trailing int for in Bigstring.map_file_descr
<Drup>
There are various other issues with the handling of modules anyway
<Drup>
(like showing documentation of modules)
<Drup>
or showing functors nicely
<Drup>
(those are in ocp-browser, not ocp-index)
<companion_cube>
it's the length, Algebr
<companion_cube>
this function is mostly sugar for Bigarray.Array1.map_file
<Algebr>
ah
<companion_cube>
have you seen that ocp-browser can display the doc? :)
<Algebr>
ya
<Algebr>
space bar
<companion_cube>
✔
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<orbifx>
is it ok to call Lwt.run to end the thread and get it's returned value?
<Algebr>
What is the general flag to turn on flambda?
<Algebr>
ah, just -O{2, 3}
<Drup>
orbifx: it's best to not nest calls to Lwt_main.run
<orbifx>
What do you mean Drup ?
<orbifx>
Also thanks for taking a look at the tyxml issue
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<orbifx>
Drup: do you mean I should aim to have one Lwt.run?
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<Drup>
roughly, yes
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<orbifx>
ok thanks
<orbifx>
and what's the difference between lwt_main.run and lwt.run?
<Algebr>
lwt.run doesn't come up for me
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<Drup>
there is no lwt.run
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<orbifx>
sorry must have got confused
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<Algebr>
how are people making _oasis use clang on linux?
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<companion_cube>
not sure anyone does t his :D
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<systems>
test
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<Drup>
Algebr: pretty sure oasis is going to use whatever ocaml is using
<Drup>
(see ocamlc -config)
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<Algebr>
darn
<Algebr>
but I should be able to override CC
<Algebr>
also, what's the opam file field to print a message upon build failure?
<Algebr>
ah, just in post-messages
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<nariyal>
I'm trying to print all the lines in a text file using this code: `let lines = In_channel.read_lines "big_css.json"; List.iter print_string lines;`, but there is a type error complaining that List.iter expected an int.
<companion_cube>
`let foo = bar; ...` is wrong
<nariyal>
companion_cube: tried using `in` but same error
<companion_cube>
can I see the code? (use a paste)
<nariyal>
companion_cube: read_lines type signature confirms that it takes a filename and returns `stirng list`
<companion_cube>
(but I don't think it will change anything)
<companion_cube>
ok
<nariyal>
companion_cube: that actually worked.
<companion_cube>
it's weird that you had a message about an `int`
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<companion_cube>
so anyway, ~f is a labelled argument
<companion_cube>
Core uses those a lot
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<nariyal>
I'm learning OCaml from Real World OCaml by yminsky; and they seem to use ~f there. But it isn't clear what that means yet. I'll dig and come back later. Thanks!
<companion_cube>
no problem!
<nariyal>
companion_cube: if I were not to use Core, what would be a nice way to read lines from a file into a list and print them separately? A StackOverflow answer shows a recursive method, is that the idiomatic way?
<companion_cube>
without any additional library, yes indeed (using input_line)
<companion_cube>
otherwise there are equivalents to Core's read_lines
<nariyal>
cool. iis ocaml-batteries a viable Core alternative
<companion_cube>
yes, sure
<companion_cube>
it has slightly different goals, but overall it's a good alternative stdlib
<nariyal>
thanks. shall stick to Core for now since the text follows it.
<companion_cube>
indeed
<companion_cube>
don't hesitate to ask more questions!
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<reynir>
Core.Std.List.iter: val iter : 'a list -> f:('a -> unit) -> unit
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<cpdean>
Hey Everyone, I'm new to ocaml development. I'm trying to read merlin's source code but my editor claims it can't find 'sturgeon' or 'inuit' packages. I can't find them on opam. am I missing something? 'make' is able to compile merlin without any problems...
<cpdean>
opening small .ml files in my editor, I'm able to use the installed version of merlin to jump to function definitions and lookup type information so not sure what's wrong...
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<Drup>
but, hum, if you are new to OCaml, I don't think reading merlin's sources is a good introduction.
<cpdean>
Drup: if i pull down the sources for those things, how do I install them? i tried 'opam pin add .' when in inuit's source dir but no dice
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<cpdean>
Drup: what would you suggest i read instead of merlin? the book i'm going through is hard for me to absorb
<Drup>
Which book are you reading ?
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<cpdean>
Drup: https://realworldocaml.org/ but hard for me to absorb language details in a vacuum. i need to see more of how you actually accomplish things in the language
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<Drup>
You could follow the MOOC that started just two weeks ago :p
<Drup>
otherwise, which project to look at depends on your interest
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<cpdean>
i've been meaning to try to write a redis clone
<cpdean>
I mostly just want to work on something big enough that I get to feel the benefits of ocaml's type system
<cpdean>
i don't have enough experience using static types other than how java annoys you
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<cpdean>
and i played with elmlang a little, but it wants to exist in a vaccuum in a DOM node so you can't write server code
<jmasseo>
looks like mostly bindings. Nothing whole clothy
<jmasseo>
irmin isn't really the same thing it looks like
<jmasseo>
and the other two use other backends
<Drup>
obigstore is a complete (and serious) implementation
<Drup>
(You can even ask the author if you have questions, he hangs around here)
<cpdean>
cool!
<cpdean>
what was the last ocaml project either of you worked on?
<Drup>
last released would be tyre, for me
<jmasseo>
i've never worked on a large ocaml project. just MOOC and personal errata.
<Drup>
(like, yesterday, literally)
<jmasseo>
obgistore runs on the C leveldb it looks like.
<jmasseo>
but it looks pretty cool
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<cpdean>
mmm so i wouldn't learn about state stuff in ocaml, it just relies on the c-bindings for that?
<jmasseo>
I have no idea.
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<jmasseo>
go root through the code and look though, you'll learn something for sure
<Drup>
Also, pgocaml is a postgres client, but it doesn't rely on C code, it's all OCaml
<jmasseo>
it has an implementation of a redis like text protocol you can look at
<cpdean>
nice
<cpdean>
i had an idea for working on something like pgpool, but in ocaml so you could deploy it with mirageos
<jmasseo>
the text mode protocol implementation is sort of elegant for obigstore too.
<minn>
What does %entry% mean in ocamlyacc parsing automata? For example, if the stack is [1;s;4], how would I reduce according to the rule %entry% : '\001' s? This doesn't look like a traditional part of the LR/LALR parsing algorithm.
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<cpdean>
do you generally have to have all dependencies of a given project installed with opam before you can compile it? what if two projects you want to work on use different versions of the same package?
<copy`>
You can use multiple switches for multiple projects
<copy`>
There can be multiple switches with the same ocaml version
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<cpdean>
gotcha... so there isn't something like a `opam getdeps`?
<justicefries>
hey everybody. The whole OCaml/Reason/Bucklescript thing is pulling me in the direction of OCaml in general, especially from Haskell. currently at the curious stage. :) I wanted to ask, since I can't find much information: what's the current state of concurrent/parallel OCaml?