#ocaml on 2018-12-03 — irc logs at freenode.irclog.whitequark.org

2018-10-19 11:39 adrien changed the topic of #ocaml to: Discussions about the OCaml programming language | http://www.ocaml.org | OCaml 4.07.1 release notes: https://caml.inria.fr/pub/distrib/ocaml-4.07/notes/Changes | Try OCaml in your browser: http://try.ocamlpro.com | Public channel logs at http://irclog.whitequark.org/ocaml | Due to ongoing spam, you must register your nickname to talk on the channel

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01:08 <kit_ty_kate> Leonidas: ^^

01:09 <kit_ty_kate> indeed

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10:09 <reynir> I'm using dune, and I wanted to use ppx_blob to "include" a text file - but ppx_blob can't find the text file because things get copied around etc

10:18 <reynir> ok, the trick is to add »(preprocessor_deps input.txt)« to the dune file :o

10:22 <Drup> reynir: specifying your dependencies ? How preposterous!?

10:23 <reynir> Drup: yes, what is this madness of a build system

10:23 <reynir> :D

10:24 <reynir> I just never had to do it before for a ppx, and my reaction was "oh no, I have to learn something new now"

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13:36 <Leonidas> What is a build system? A miserable little pile of dependencies!

13:37 <Leonidas> Last time I used ppx_blob it broke merlin :(

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13:41 <def`> Leonidas: I fixed handling of ppx paths in merlin recently

13:42 <def`> (... there is not much specification, we have to adapt to the actual use :P)

13:58 <Leonidas> def`: ah, cool, that might've fixed it in the meantime :) Thanks.

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14:28 <theblatte> "Error: Multiple definition of the type name t." but merlin is happy (but ocamlc is right)

14:29 <ggole> There are various errors that merlin won't show.

14:30 <ggole> ...I'm not sure whether they are well documented

14:34 <theblatte> ok :)

14:36 <ggole> I get the impression that they are errors that are checked for after all the code in the module is typed, eg, non-generalizable type variables

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14:49 <[rg]> hey all, whats the ocaml idiom for reading all lines from a file (i'd like to create a list)

14:51 <companion_cube> I'd recommend using a 3rd party stdlib, like base, batteries, or containers

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14:52 <companion_cube> (with containers: `CCIO.with_in "path/to/file" CCIO.read_lines_l`)

14:53 <[rg]> companion_cube: huh, I was looking at advent of code and thought I'd try ocaml through ideone, but I can download it

14:53 <companion_cube> oh, hmm, not sure if you can use libraries in online editors indeed

14:54 <[rg]> companion_cube: I guesss those libs also determine the type as well? (so no string)

14:54 <[rg]> s/no/not

14:54 <companion_cube> no, everyone agrees on string

14:55 <companion_cube> the snippet above will return a list of strings

14:55 <[rg]> ah dang it now I gotta figure out ocaml polymorphism -_-

14:55 <[rg]> lol

14:56 <companion_cube> https://paste.isomorphis.me/M4W <--- you can also try that

14:56 <companion_cube> (it doens't close the file, but well)

14:58 <[rg]> companion_cube: thanks, why not use read_line ?

15:02 <companion_cube> because it reads from stdin

15:02 <companion_cube> I mean if that's what you want, sure

15:04 <[rg]> oh, well ty :)

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