The wording here is definitely confusing. Erlang is a collection of applications and crypto is one of them. You need to include all of Erlang applications, outside of "kernel" and "stdlib" apps, in extra_applications. I will clarify the guides. Thanks!
On Tue, Sep 21, 2021 at 5:33 PM Kenny Evitt <kenny.ev...@gmail.com> wrote: > On the Erlang libraries page of the current guide, for the `crypto` module > <https://elixir-lang.org/getting-started/erlang-libraries.html#the-crypto-module> > : > > > The `:crypto` module is not part of the Erlang standard library, but is > included with the Erlang distribution. This means you must list `:crypto` > in your project’s applications list whenever you use it. To do this, edit > your `mix.exs` file to include: > > > > ``` > > def application do > > [extra_applications: [:crypto]] > > end > > ``` > > But in a reply on a recent Elixir Forum post > <https://elixirforum.com/t/help-with-reading-typespecs-for-erlang-crypto-module/42423/7>, > someone claimed: > > > `:crypto` is a part of and is distributed with Erlang/OTP ... > > And that doesn't seem to contradict what's in the Getting Started guide. > > But I'm confused as to why that module should be added to the > `:extra_applications` key. I just tried running the example code from the > guide in a 'scratchpad' project that has NO (explicit) Mix deps, and only > `:logger` listed in `:extra_applications` and the code worked fine in > `iex`. Does that code work because I'm running it on my 'dev' computer? > Would NOT adding `:crypto` to `:extra_applications` present a problem were > I to deploy that project's code to another computer? > > Or is `crypto` now (somehow) part of "the Erlang standard library"? > > I'm just curious! But, if the guide is now incorrect about this, I'd be > happy to submit a PR with any suitable changes. > > -- > 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 elixir-lang-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/58f100bd-b79c-4893-8f1f-ec8aea26d81dn%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/58f100bd-b79c-4893-8f1f-ec8aea26d81dn%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 elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2B80dEjn653F7%3DAEyo3sG19g1nYxsfXuO%2BuXq-ZhZFTuA%40mail.gmail.com.
