Oh maybe this one?
https://github.com/johnmcguin/plug/commit/ae38e00b197eec3d7015cc1cc9547579a4bb3322#diff-8abb6a1c8f0384efb997eebfa1f2a8b3f91e339b95ba79de9a50132b3ddddd3cR345

But it was added in 2022, so maybe not.
Either way, warn: false could be used here.


Le sam. 6 sept. 2025 à 23:37, José Valim <[email protected]> a écrit :

>
> A warn: false option would solve it. But I believe last time libraries
> like Plug used require to make sure a module is available. It has been
> quite a while though.
>
>
> *José Valimhttps://dashbit.co/ <https://dashbit.co/>*
>
>
> On Sat, Sep 6, 2025 at 13:45 Jean Klingler <[email protected]> wrote:
>
>> I think it would make sense, given that macros are the only documented
>> reason to use require, and that Code.ensure_loaded (or
>> Code.ensure_compiled!) should otherwise be used?
>>
>> We'd probably need to introduce a warn: false option like we have for
>> import, for meta-programming use cases like __using__.
>>
>> Le ven. 5 sept. 2025 à 20:49, [email protected] <
>> [email protected]> a écrit :
>>
>>> Hello all,
>>>
>>> I’d like to revisit this topic after some years. Back in 2019 there was
>>> agreement that a warning for unused require could make sense, but more
>>> investigation was needed because of its dual role (ensuring compilation +
>>> enabling macros).
>>>
>>> Has the stance on this changed since then?
>>> Would adding a warning when no macros are used from a required module be
>>> considered today?
>>>
>>> Thanks!
>>> Em terça-feira, 16 de abril de 2019 às 20:38:45 UTC-3, José Valim
>>> escreveu:
>>>
>>>> I would keep the PR as it is the most clear explanation, especially for
>>>> newcomers.
>>>>
>>>> If we do add the proposed warning in the future, users like OvermindDL1
>>>> can use Code.ensure_compiled(module) to guarantee a certain module is
>>>> compiled and available.
>>>>
>>>>
>>>> *José Valim*
>>>> www.plataformatec.com.br
>>>> Skype: jv.ptec
>>>> Founder and Director of R&D
>>>>
>>>>
>>>> On Wed, Apr 17, 2019 at 1:34 AM Xavier Noria <[email protected]> wrote:
>>>>
>>>>> On Wed, 17 Apr 2019 at 02:06, OvermindDL1 <[email protected]> wrote:
>>>>>
>>>>> For note, I use `require` to compile another module that then
>>>>>> generates 'other' things that are then used by the module that is calling
>>>>>> require (calls another language build system), so it has non-macro uses.
>>>>>>
>>>>>
>>>>> This is the PR that reworded that
>>>>>
>>>>>     https://github.com/elixir-lang/elixir/pull/6041
>>>>>
>>>>> Should it be revised?
>>>>>
>>>>>
>>>>> --
>>>>> Sent from Gmail Mobile
>>>>>
>>>>> --
>>>>>
>>>> You received this message because you are subscribed to the Google
>>>>> Groups "elixir-lang-core" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>>> an email to [email protected].
>>>>>
>>>> To view this discussion on the web visit
>>>>> https://groups.google.com/d/msgid/elixir-lang-core/CAM%3DYcdhet%3D3U73L0RBHQQUqTCw%3DfQuQkASQyTHfm4zEU9p90fw%40mail.gmail.com
>>>>> <https://groups.google.com/d/msgid/elixir-lang-core/CAM%3DYcdhet%3D3U73L0RBHQQUqTCw%3DfQuQkASQyTHfm4zEU9p90fw%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>>>> .
>>>>
>>>>
>>>>> For more options, visit https://groups.google.com/d/optout.
>>>>
>>>>
>>>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "elixir-lang-core" group.
>>> To unsubscribe from this group and stop receiving emails from it, send
>>> an email to [email protected].
>>> To view this discussion visit
>>> https://groups.google.com/d/msgid/elixir-lang-core/d7f98e5c-f28a-49b3-b2ae-9aa0d7266b09n%40googlegroups.com
>>> <https://groups.google.com/d/msgid/elixir-lang-core/d7f98e5c-f28a-49b3-b2ae-9aa0d7266b09n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "elixir-lang-core" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to [email protected].
>> To view this discussion visit
>> https://groups.google.com/d/msgid/elixir-lang-core/CANnyoha-%2Bg%3DmUESo27rqCu4X%3DTOd%3DRTM5tqV-%2BXcMb%3DHBzrh%3DA%40mail.gmail.com
>> <https://groups.google.com/d/msgid/elixir-lang-core/CANnyoha-%2Bg%3DmUESo27rqCu4X%3DTOd%3DRTM5tqV-%2BXcMb%3DHBzrh%3DA%40mail.gmail.com?utm_medium=email&utm_source=footer>
>> .
>>
> --
> You received this message because you are subscribed to the Google Groups
> "elixir-lang-core" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion visit
> https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BfJ4jKNWvhzC7MiuUjUr6_5vpfeEuBs1%3DSAv3bo1Oxrw%40mail.gmail.com
> <https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BfJ4jKNWvhzC7MiuUjUr6_5vpfeEuBs1%3DSAv3bo1Oxrw%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>

-- 
You received this message because you are subscribed to the Google Groups 
"elixir-lang-core" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion visit 
https://groups.google.com/d/msgid/elixir-lang-core/CANnyohZ%3DoZhNTAq0mvKzohNT-amUzT--u-%3Dn5dVJgWG9Z3pHqQ%40mail.gmail.com.

Reply via email to