Den mån 3 jan. 2022 18:34Bram Moolenaar <b...@moolenaar.net> skrev:
>
> > On 2022-01-03, Marvin Renich <m...@renich.org> wrote:
> > > Don't bother with the
> >
> > > import MyClass from "myclass.vim"
> > > import {someValue, MyClass} from "thatscript.vim"
> > >
> > > syntax, and only provide
> > >
> > > import "myclass.vim"
> > > import "myclass.vim" as Other
> > >
> > > and require use of the namespace prefix:
> > >
> > > Other.MyClass
> > >
> > > The first case, without the "as" would default to the file name, with
> > > leading directories and trailing ".vim" removed
> >
> > I do not think that using a filename as an identifier is a good idea.
> > For instance, calling a script 1.vim would automatically make it
> > non-importable (without "as").
>
> Since a script needs to use "export" to be able to be imported, having
> to use a nice name for the script is clearly needed. The only thing is
> that it may be a long name to avoid name collisions, but then the "as
> {name}" form can be used to shorten the name.
>
> > I personally find that using an imported name without a prefix (as it is
> > currently possible) makes my code terse, and I think that in the limited
> > scope a plugin that works well. But I understand that Vim9 scripts might
> > have a broader use, such as generic libraries of functions that can be
> > used by many scripts. In that context, stricter scoping rules, such as
> > in Go, are likely a cleaner approach.
> >
> > How about always requiring a prefix, but allowing explicit namespace
> > pollution? As in
> >
> > import "myclass.vim" as Other
> > use Other # Makes Other.F() available as just F()
>
> Throwing everything from "Other" into the current namespace is going to
> cause trouble, because someone may add an item to myclass.vim that
> conflicts with what is in your script. Thus extending one script may
> break another script, that is bad.
>
> A kind of an alias mechanism would work. Since most of the items are
> going to be functions, might as well use a function reference:
>
> final Func = Other.Func
>
This looks like a reasonable compromise. You get both a short identifier
and self-documentation of where the function comes from.
> That's an existing mechanism, thus keeps things simple.
>
> It also works for constants and read-only variables:
>
> const MAX = Other.MAX_VALUE
>
> This does not work for variables that can be set, but you should
> probably use a setter function for that anyway.
>
> I'm just pointing out what valid pro's and con's are, I'm not suggesting
> this means the alternate import syntax is best.
>
> --
> hundred-and-one symptoms of being an internet addict:
> 208. Your goals for the future are obtaining a second Gbit connection
> and upgrade your NAS to all SSD
>
> /// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net
> \\\
> ///
> \\\
> \\\ sponsor Vim, vote for features -- http://www.Vim.org/sponsor/
> ///
> \\\ help me help AIDS victims -- http://ICCF-Holland.org
> ///
>
> --
> --
> You received this message from the "vim_use" maillist.
> Do not top-post! Type your reply below the text you are replying to.
> For more information, visit http://www.vim.org/maillist.php
>
> ---
> You received this message because you are subscribed to the Google Groups
> "vim_use" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to vim_use+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/vim_use/20220103173324.A57551C110C%40moolenaar.net
> .
>
--
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php
---
You received this message because you are subscribed to the Google Groups
"vim_use" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to vim_use+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/vim_use/CADAJKhAK%3DrXACnG3h1jx3c_GLeBd9u18pM0%3DZ5p59tuvO1SKHg%40mail.gmail.com.
