Re: Vim9 import [was Vim9 script feature-complete]

On 2022-01-04, Marvin Renich <mrvn@renich.org> wrote:
> * Bram Moolenaar <Bram@moolenaar.net> [220104 12:26]:
>> While using:
>>
>> import "thatscript.vim"
>>
>> Or:
>>
>> import "thatscript.vim" as that
>>
>> Is nice and short, no need for "from". The help for ":import" becomes
>> much shorter. The implementation will also be much simpler.
>>
>> The discussion about the need for using the prefix, whether "as" should
>> be required and other things, seem less important.
>
> Actually, I think the local namespace pollution is the more important
> issue, and requiring "as" and the prefix gives the simpler import syntax
> as an added benefit.

FWIW, my preference, too, goes to using just one form:

import "thatscript.vim" as that

with a mandatory "as" clause. Then, I'd vote for funcrefs and consts as
an aliasing mechanism, as already suggested. I find the argument that
changes to an imported script may break the importing script pretty
compelling, so I would withdraw my proposal of a "use that" command to
indiscriminately import everything into the script's namespace.

Life.


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