If you could make any changes to D, what would they look like?

Paul Backus snarwin at gmail.com
Sun Oct 24 20:04:05 UTC 2021

On Sunday, 24 October 2021 at 19:47:10 UTC, Basile B. wrote:
> I believe it's partly a problem of lazyness, e.g "I want to 
> type less. I want to be proposed `filter` when I CTRL+SPACE 
> after `arr.fi` ".
> That case can be solved by doing a word split on the current 
> document and by adding the results to the "good" completions 
> when they are requested. If you have selective imports at the 
> top of the module, for filter, map, each etc. then they are 
> proposed as well.

Yeah, this is basically how Vim's built-in completion works. I 
sometimes use it to save typing on long identifiers, or to avoid 
spelling mistakes. But if I have to fall back to typing something 
out manually, it's not that big of a deal.

Maybe it's programmers who [can't touch-type][1] who rely heavily 
on tooling support? I know if I had to hunt-and-peck every letter 
of an identifier like `formattedWrite`, I'd be a lot more 
motivated to use code completion everywhere I could.


> The other part of the problem is that completion can be used to 
> overcome the lack of knowledge of an API, for example. In this 
> case the word split does not help.

Yeah, in that situation having an easy way to view the docs is 
really helpful. I have a shortcut set up in Vim that opens the 
[dpldocs.info][2] search page with the identifier under the 
cursor, which works pretty well for the standard library and ok 
for dub packages, but a language server could probably do a 
better job.

[2]: http://dpldocs.info/

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