That’s option 2, and I don’t think it looks readable, which is why I’ve raised this.
Like I said, I know *why* this is happening. I’m asking if something more readable can be done. -a On Tue, Sep 13, 2022 at 4:50 PM José Valim <[email protected]> wrote: > Put parens around if and it should work. Otherwise the do/end block binds > to the module attribute. I will make sure we have a good error message for > it. > > On Tue, Sep 13, 2022 at 22:31 Austin Ziegler <[email protected]> wrote: > >> I’d like to propose a refinement to the way that `@attr` values get set. >> If I want an attribute to have different values at compile-time, I have >> four options (these are *not* ideally formatted): >> >> ```elixir >> @option1 if(Mix.env() == :test, do: "Option 1") >> @option2 (if Mix.env() == :test do >> "Option 2" >> end) >> >> option3 = if Mix.env() == :test do >> "Option 3" >> end >> @option3 option3 >> >> if Mix.env() == :test do >> @option4 "Option 4" >> else >> @option4 nil >> end >> ``` >> >> These are all, in my opinion, obfuscated.g >> >> What I *want* to do is: >> >> ```elixir >> @option5 if Mix.env() == :test do >> "Option 5" >> end >> ``` >> >> But that doesn’t work because of the way that the `@` special form works >> (`@/1`). >> >> Is it possible to either (a) modify the `@` form to accept an >> *expression* instead of expecting a single value, or (b) come up with a >> different way of expressing this? I’m not sure if it’s possible, but maybe >> `@attr = expr`? >> >> I’m not really sure where I’d start exploring it, but it could be >> interesting to explore if this is something that would be considered. >> >> -a >> -- >> Austin Ziegler • [email protected] • [email protected] >> http://www.halostatue.ca/ • http://twitter.com/halostatue >> >> -- >> 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/CAJ4ekQuhJP_vdUXy%3DJUxN5KZLrKYncC1XJPHJBYsopYRiXO%2BZg%40mail.gmail.com >> <https://groups.google.com/d/msgid/elixir-lang-core/CAJ4ekQuhJP_vdUXy%3DJUxN5KZLrKYncC1XJPHJBYsopYRiXO%2BZg%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 on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BYHOGKky-Tq_ZfdJVKPm1V%3DrXX8UzphKdoohWi4rNNOg%40mail.gmail.com > <https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BYHOGKky-Tq_ZfdJVKPm1V%3DrXX8UzphKdoohWi4rNNOg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- Austin Ziegler • [email protected] • [email protected] http://www.halostatue.ca/ • http://twitter.com/halostatue -- 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/CAJ4ekQuWjCtUMWd9KEsAUNA2fBbBLWfhKPaP%3D6j59wrqTK6XOA%40mail.gmail.com.
