#ocaml on 2022-03-27 — irc logs at libera.irclog.whitequark.org

2021-09-27 14:53 Leonidas changed the topic of #ocaml to: Discussion about the OCaml programming language | http://www.ocaml.org | OCaml 4.13.0 released: https://ocaml.org/releases/4.13.0.html | Try OCaml in your browser: https://try.ocamlpro.com | Public channel logs at https://libera.irclog.whitequark.org/ocaml/

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05:35 <Everything> Hi all. Got this hello world code: http://ix.io/3TzX

05:35 <Everything> I can run it: ocaml.ml

05:35 <Everything> But can't compile:

05:36 <Everything> % ocamlopt a.ml

05:36 <Everything> File "a.ml", line 1, characters 0-1:

05:36 <Everything> Error: Syntax error

05:36 <Everything> What to do?

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06:05 <Everything> This prints the same error: ocamlfind ocamlopt -package base -package core -thread a.ml

06:08 <d_bot> <orbitz> Everything: the stuff that starts with '#' is for the REPL only, it's not valid Ocaml

06:09 <d_bot> <orbitz> You need to remove it and

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06:09 <Everything> Oh I tried

06:10 <Everything> http://ix.io/3TzX

06:10 <Everything> % ocamlfind ocamlopt -package base -package core -thread a2.ml

06:10 <Everything> File "a2.ml", line 1:

06:10 <Everything> Core referenced from a2.cmx

06:10 <Everything> Error: No implementations provided for the following modules:

06:10 <Everything> % ocamlopt a2.ml

06:10 <Everything> File "a2.ml", line 1, characters 5-9:

06:10 <Everything> Error: Unbound module Base

06:10 <Everything> Just how to compile this? http://ix.io/3TzX

06:11 <Everything> This: http://ix.io/3IV8

06:11 <Everything> ^ "#" are removed there

06:11 <Everything> Ouch ignore that

06:11 <d_bot> <orbitz> What?

06:11 <Everything> I just want to compile this:

06:11 <Everything> open Base;;

06:11 <Everything> open Core;;

06:11 <Everything> let () = printf "%d\n" (123);

06:11 <Everything> To binary

06:11 <Everything> What to do?

06:12 <Everything> Probably, ix.io is buggy, ignore it

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06:15 <d_bot> <orbitz> I thnk you want -package core,base

06:17 <Everything> % ocamlfind ocamlopt -package core,base -thread a2.ml

06:17 <Everything> Error: No implementations provided for the following modules:

06:17 <Everything> Core referenced from a2.cmx

06:17 <Everything> File "a2.ml", line 1:

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09:04 <Everything> Where I can read about differences between "open", "require", etc?

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09:25 <andreypopp_> Everything: found a good SO q/a on this topic https://stackoverflow.com/questions/42631912/whats-the-difference-between-include-require-and-open-in-ocaml

09:25 <Everything> andreypopp_: thanks

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