#ocaml on 2018-06-04 — 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

00:00 <orbifx[m]> It's true they are. And most wont change any time soon, I know. But those of us who can and understand why should, to pave the way.

00:00 <orbifx[m]> Hope you will accept patch files or pull from outside Github :)

00:01 <companion_cube> I suppose so, yes

00:01 <companion_cube> anyway, good luck

00:01 <companion_cube> please blog about your workflow ;)

00:03 <orbifx[m]> I wrote this in a haste https://notes.orbitalfox.eu/decentralised-git.html

00:04 <orbifx[m]> Any feedback on how to improve it would be great

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06:07 <discord5> <Christophe> orbifx[m]: you could talk about git bundle also, instead of sending a patch for instance : https://git-scm.com/book/en/v2/Git-Tools-Bundling

06:08 <discord5> <Christophe> (is he online I cannot know from discord ...)

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06:26 <orbifx[m]> Christophe, I will, thanks!

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07:01 <apache2> I recon I'll get rid of my github accounts in ~3-6 months when they add a mandatory phone number + first born child policy

07:02 <apache2> like they did with hotmail

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07:54 <def`> Anybody to write a web frontend to git in OCaml?

07:58 <apache2> someone here who has experience with Bigarray.reshape and friends? I'm trying to achieve a fix on z in a 3d matrix of {x,y,z}

07:59 <def`> a fix?

07:59 <apache2> but for the love of God I can't see a way to do this with the API :(

07:59 <apache2> def`: yes, the documentation for slice_left calls it a "fix on the first coordinate", and "slice_right" "a fix on the last coordinate"

08:00 <def`> apache2: ah... I am afraid you will have a hard time :).

08:00 <apache2> my array i in c layout so I don't think I can use slice_right though :(

08:01 <def`> bigarray are alway contiguous. slice_... is just a trick to interpreter a (contiguous) subsequence as a projection on one coordinate.

08:01 <def`> interpret*

08:02 <def`> (that is, slice_{left,right} is just a specialized version of sub_{left,right})

08:02 <apache2> yes

08:03 <def`> I am afraid with your representation, fixing a z won't give a contiguous representation :P

08:03 <apache2> very annoying

08:03 <def`> In https://github.com/let-def/stb_image/blob/master/stb_image.mli, I need to consider that case for images.

08:03 <apache2> def`: you'd have to jump a bit, but you are already jumping based on sizeof(representation) and imaginary coordinates

08:03 <def`> That's why the representation is bigarray, offset and stride.

08:04 <apache2> ah thank you, will check that out

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08:04 <def`> It is just a wrapper. Nothing magic.

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08:29 <RalfJ> Is it normal that after installing opam 2.0~rc2 (via `opam install opam-devel` and then `cp`), `opam --version` still says "2.0.0~rc"?

08:32 <RalfJ> also, the docs say I need ro tun `opam init --reinit -ni` to get sandboxing. Do I need to do that once globally or one for each switch?

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11:04 <kit_ty_kate> RalfJ: how did you install it ?

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11:24 <discord5> <Perry> Re: Microsoft and Github, it's sort of "meh". The problem is GitLab is not a substitute, as the community effect isn't there. Maybe if there was a way to federate GitLab instances but there isn't.

11:24 <RalfJ> kit_ty_kate: `opam install opam-devel` and then `cp ~/.opam/system/.... ~/bin`

11:24 <discord5> <Perry> The GitHub pull request mechanism in and of itself is kind of impossible to duplicate with isolated GitLab instances.

11:25 <RalfJ> and it offers the new hooks for doing `eval $(opam env)` in bash so it seems like this is indeed the new version, it just screwed up the version number

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11:52 <kit_ty_kate> RalfJ: what does it gives you if you do `which opam` ?

12:04 <RalfJ> kit_ty_kate: /home/r/bin/opam

12:05 <RalfJ> I can literally call "/home/r/.opam/system/lib/opam-devel/opam --version" and it will say "2.0.0~rc"

12:05 <Drup> did you update/upgrade ?

12:05 <RalfJ> here's a more complete log: https://paste.debian.net/1027903/

12:06 <RalfJ> Drup: `opam upgrade` didnt actually upgrade opam-devel, so I did `opam install opam-devel.2.0.0~rc2`

12:06 <RalfJ> also, it does seem like this is the rc2 as I am getting the new shell hooks

12:06 <RalfJ> it just seems to print the wrong thing for the version number

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12:10 <kit_ty_kate> RalfJ: and did you copied the opam-devel binary ? There should have been an error message telling you to

12:11 <kit_ty_kate> hm I mean post-install message*

12:11 <RalfJ> kit_ty_kate: yes I did. but that the log shows above, already the binary in the build directory shows that it doesnt print the right version

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12:49 <kit_ty_kate> RalfJ: ah right… :/ I just tried in a docker container and I can reproduce it

12:49 <RalfJ> kit_ty_kate: I reported this at https://github.com/ocaml/opam/issues/3388

12:50 <kit_ty_kate> thanks!

12:50 <RalfJ> `opam config report` also shows the wrong version, of course... bug reports will be extremely confusing in the near future^^

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12:54 <def`> :D

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18:29 <lbianc> Hi all. I'm facing an issue with ocamlbuild.native for PPC64 architecture. I need to add the parameter "flarge-toc" when the ocamlopt be called, but couldn't find a way through ocamlbuild.native, as when passing the argument with the flag "-cflag" it is added to ocamlc as well. The ocamlc does not accept this parameter. Is there any other way to add this parameter only for ocamlopt?

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20:25 <orbifx[m]> lbianc: is jbuilder (dune) an option?

20:32 <octachron> lbianc, the ocamlbuild solution is probably to use a flag declaration in myocamlbuild.ml

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