#ocaml on 2017-12-15 — irc logs at freenode.irclog.whitequark.org

2017-11-24 19:05 adrien changed the topic of #ocaml to: Discussions about the OCaml programming language | http://www.ocaml.org | OCaml 4.06.0 release notes: https://caml.inria.fr/pub/distrib/ocaml-4.06/notes/Changes | Try OCaml in your browser: http://try.ocamlpro.com | Public channel logs at http://irclog.whitequark.org/ocaml

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10:06 <orbifx[m]> Why doesn't pinning and installing a package is opam automatically install dependencies?

10:09 <reynir> it should

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10:09 <reynir> Maybe the pinned package's opam file is inadequate?

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10:19 <orbifx[m]> reynir: all it needs is the package in the `depends` list right?

10:19 <reynir> yea

10:26 <orbifx[m]> Not working... :/ Do I need something in the build steps? I'm using jbuilder btw

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10:31 <reynir> Is the package public?

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11:27 <orbifx[m]> No unfortunately

11:27 <orbifx[m]> I would have quoted reynir

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11:38 <grayswandyr> hi, using Sequence, is there an easy way to "unzip" a sequence of pairs into a pair of sequences?

11:43 <companion_cube> fun s -> Sequence.map fst s, Sequence.map snd s

11:43 <companion_cube> it's going to be lazy anyway :-)

11:43 <companion_cube> (and `combine` cannot be implemented efficiently,sadly)

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12:09 <orbifx[m]> is there a way to trace what opam does? To figure out how it's treating, interpreting dependencies?

12:10 <grayswandyr> ok thanks

12:13 <companion_cube> oh fu, opam publish is broken on the beta‽

12:13 <companion_cube> wait

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12:21 <companion_cube> ok, so can't install dose3 with my 8GB of ram, neat

12:26 <reynir> companion_cube: with flambda?

12:26 <companion_cube> yeah

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12:36 <zozozo> companion_cube: i had the same pb with jbuilder a few days ago, ^^

12:36 <companion_cube> nolabel?

12:37 <zozozo> out of ram trying to install jbuilder on 4.06.0+flambda, fixed that by creating a swapfile temporarily, :p

12:37 <orbifx[m]> Ok, found the answer `opam lint ..`

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12:39 <companion_cube> wow, jbuilder itself‽ weird :/

12:40 <zozozo> yeah, the strang epoint was that it failed almost instantly while trying to allocate a lot without actually computing much

12:40 <zozozo> kinda like it was allowating memory for a huge file before filling it

12:41 <reynir> that's odd

12:41 <zozozo> indeed ^^

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12:56 <companion_cube> https://gist.github.com/c-cube/d751398c4897df5f42104717e847960b I can fizbuzz!!1!

13:00 <Drup> companion_cube: are you that bored ? :D

13:00 <companion_cube> apparently ^^

13:01 <reynir> (I think it's spelled fizzbuzz)

13:02 <companion_cube> bah! :D

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13:25 <rgrinberg> This is a known problem. Jbuilder concatenates all modules into a single file for bootstrap. Flambda doesn't like that

13:26 <companion_cube> then maybe jbuilder should add a flag for flambda?

13:26 <companion_cube> -O0 or something

13:27 <rgrinberg> Not sure if it will help but it's worth a try. Though this is almost certainly a bug to fix with flambda

13:28 <companion_cube> has a new name been chosen yet? :)

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13:28 <companion_cube> (also, this no-labels issue is sad, it blocks the migration of ≥ 2 of my packages)

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14:33 <Janni> Hello. I came to report a simple bug. It prevents me to run `opam switch 4.05.0` on my Debian system here. The problem: a fatal warning 58 in build/ocaml/ocamldoc which is easily fixed by adding a -w -58 to ocamldoc/Makefile.

14:33 <Janni> Otherwise I don't really know whether this is the proper fix or if there is a deeper problem underneath.

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22:02 <companion_cube> how comes the warning is fatal?

22:02 <companion_cube> ah damn

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23:17 <spew> does anyone here use ounit2?

23:18 <spew> I am just wondering what is the point of passing the test_ctxt to the assert_equal function

23:18 <spew> I haven't noticed any difference

23:19 <spew> in the documentation it says that "if provided, always print expected and real value"

23:19 <spew> but I don't see it doing that

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23:31 <spew> I can get it to print things by using a printer, it just seems that providing the ctxt has nothing to do with that

23:31 <spew> and I can't figure out what it _does_

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