#ocaml on 2017-07-19 — irc logs at freenode.irclog.whitequark.org

2017-07-13 10:09 companion_cube changed the topic of #ocaml to: Discussions about the OCaml programming language | http://www.ocaml.org | OCaml 4.05.0 release notes: https://caml.inria.fr/pub/distrib/ocaml-4.05/notes/Changes | Try OCaml in your browser: http://try.ocamlpro.com | Public channel logs at http://irclog.whitequark.org/ocaml

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00:38 <discreteunit> is there a convenient way to compile larger makefile-based projects to bytecode?

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00:43 <discreteunit> i.e. enable build for ocaml bytecode?

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05:35 <adrien> morning

05:35 <adrien> gasche: do you know the status of the build system migration for the compiler?

05:41 <adrien> gasche: the reason I ask is that I used to stick to autotools (because autoconf but autoconf usually pulls automake) and it really seems meson is worth taking a look at

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10:00 <alexyan> Hi! If I pass an 'undefined' js value to Js_of_ocaml.Js.Opt.to_option, what will be returned, Some or None?

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10:34 <rgrinberg> andreas_: did you end up reporting that jbuilder/ppx issue you've had? :)

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10:47 <andreas_> rgrinberg: Figured out there's actually a (preprocessor_deps ...)-directive!

10:48 <rgrinberg> Even better. Thanks

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12:10 <orbifx[m]> Is there a way to tell ocaml to print a warning when compiling that line?

12:11 <orbifx[m]> Like C's #warning?

12:11 <Drup> [@@@ocaml.ppwarning "This is a warning"]

12:13 <Drup> (that's in a structure. @@ to attach to structures and @ to attach to expressions)

12:13 <Drup> (it's not line-based)

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13:33 <orbifx[m]> cool thanks Drup

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13:35 * orbifx[m] sent a long message: orbifx[m]_2017-07-19_13:35:13.txt <https://matrix.org/_matrix/media/v1/download/matrix.org/LgjBdCWDiJdwbOuXJONsUcaR>

13:35 <orbifx[m]> ?

13:36 <Drup> No

13:38 <flux> usual way is to do | x (* when x < 0 *) -> ..

13:38 <flux> I guess it would be cool if there was a tool to check these

13:39 <orbifx[m]> I could make the `0` case a variable which returns that value, it should only catch the 0 case if I put it last

13:39 <orbifx[m]> but I don't like order based matches

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18:50 <SomeDamnBody> octachron: Actually, I found that _tags and oasis weren't playing along. So, I put it on the command line.

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20:48 <peterpp> I am afraid I'm about to ask the dumbest question ever asked in this channel but... after installing opam how do I run the damn compiler?

20:54 <flux> peterpp, not sure which steps you have taken, but have you initialized or installed anything with it?

20:56 <peterpp> flux, when I run `opam switch` then the output seems to indicate that 4.02.1 is installed and selected

20:57 <peterpp> ah, I needed to do eval `opam config env`

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