I really like the idea of a syntax that delegates to a module!

That would make a pid something like `%Process<0.55.0>` or `
%Process.Pid<0.55.0>` which is't a big stretch from the current `
#PID<0.55.0>`

On Fri, Oct 25, 2019 at 8:49 AM Kelvin Raffael Stinghen <
[email protected]> wrote:

> > So I really don't think this feature would be usable with sigils.
>
> Yeah, sure, I was just trying to think of examples of the top of my head,
> I’m sure it would still have a lot of limitations, but I think it would be
> worth the try.
>
> > No, they are enforced by the language.
>
> I see. I vote for only caring for the first letter then.
>
> > So this is a separate discussion but what I'd rather see is another
> sigil like mechanism for structs that would make these valid:
> >
> > URI[https://elixir-lang.org]]
>
> Why not actually using sigils for that? With multi letter sigils we could
> do that. Would you want to automatically import that? If that’s the case,
> maybe a better syntax for the feature would be something like: `%URI”
> https://elixir-lang.org”`, so that would delegate the construction to a
> `from_string` function (or macro) on the module for example.
>
> Anyway, I like your idea too, but as you mentioned, that would not address
> my concern, as PIDs are not structs, so I think that multi letter sigils
> would be the way to go for that, since it looks like adding one more one
> letter sigil for it will not get accepted.
>
> Best,
> Kelvin Stinghen
> [email protected]
>
> On Oct 25, 2019, at 04:00, José Valim <[email protected]>
> wrote:
>
> Maybe*. Sigils follow the rules for strings, so they are not really good
> for handling code and this was one of the lessons learned by the
> shorter_maps project. For example, imagine you want to do this:
>
>     ~Project{id ~Manager{id}}
>
> It doesn't really work because you have to escape the closing } inside the
> manager. Sure, you could alternate {...} with <...> or something else, but
> that's precisely the point. Sigils are strings, and they are not structured
> text, so you have to escape and handle delimiters accordingly.
>
> The other issue is that sigils are currently lexical, so you would have to
> import the lexical sigil for every struct before your shorter maps
> proposal. So I really don't think this feature would be usable with sigils.
>
>
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