#ocaml on 2018-03-27 — 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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07:35 <bartholin> After doing opam install utop, how do I launch utop

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07:37 <bartholin> I did eval `opam config env`

07:40 <bartholin> also, my folder ~/.opam/system/bin is empty

07:43 <bartholin> wait

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07:51 <reynir> what switch are you on? »opam switch« will tell

07:52 <bartholin> actually I have realized utop is not installed, because opam fails to install ocamlfind, for an unknown reason

07:53 * bartholin rm -rf ~/.opam

07:55 <bartholin> nope, still fails

07:55 <bartholin> The following actions failed

07:55 <bartholin> ∗ install ocamlfind 1.7.3-1

07:59 <bartholin> oh

07:59 <bartholin> there is an error message

08:00 <bartholin> # File "topfind.ml", line 55, characters 12-41:

08:00 <bartholin> # Error: Unbound module Toploop

08:01 <kakadu> Can you try non-system switch?

08:01 <bartholin> ?

08:02 <kakadu> installing ocaml using opam and not using th essystem one

08:02 <reynir> bartholin: Are you on arch linux or some other rolling release distro?

08:02 <bartholin> reynir: I'm on arch

08:02 <bartholin> how do I install ocaml on opam

08:03 <reynir> opam switch install $desired_version

08:03 <reynir> bartholin: things tend to break when the system ocaml version gets updated under opam's feet :)

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09:33 <octachron> bartholin, and for your specific errors, archlinux split the compiler-libs from the compiler distribution, so all packages that depend on compiler-libs are broken

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10:33 <tarptaeya> why is \v not escaped in caml? I tried to add it in string.ml and bytes.ml but still got errow which I think are due to bytes_unsafe_set in caml

10:34 <tarptaeya> is there a way to have \v as escaped?

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10:53 <octachron> tarptaeya, you can use the unicode escape sequence "\u{B}" or the hexadecimal one "\x0B"

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10:54 <tarptaeya> octachron: thanks, it worked :D

10:56 <tarptaeya> octachron: but whats the reason that \v doesnt works?

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11:15 <octachron> tarptaeya, I imagine that it was deemed unnecessary to add a specific escape sequence for a character that had not been used for its original use case for decades

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21:22 <orbifx> Why does the compiler thing these are illegal backslashes? https://cgit.orbitalfox.eu/logarion/tree/src/core/note.ml?h=dev&id=128208c9a48bbcfd530e59c936940334cd6c301a#n26

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22:11 <orbifx> aantron: is Lwt_unix the only submodule capable of network socket operations?

22:16 <dmbaturin> I think it is.

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22:27 <orbifx> thanks dmbaturin

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22:31 <dmbaturin> orbifx: You want to do network connections without Lwt_unix, wondering if code elsewhere can turn out network-aware, or just wondering?

22:33 <dmbaturin> For the former, I seem to recall there was something for lwtizing normally lwt-unaware functions...

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22:35 <orbifx> dmbaturin: not sure I understand the question; I'm writing a Gopher server using Lwt for the threads and system interaction.

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