Sorry, I cherry-picked the doc example as an "easy" example that others 
might be able to easily observe.

However, please imagine the following filesystem:


The following shows these files in order:

> (for/list ([f (in-directory "/var/tmp/test")]) (displayln f))

However, the following does not have the same order:

> (current-directory "/var/tmp/test")
> (for/list ([f (in-directory)]) (displayln f))

Does this help? What is interesting to me is that in-directory can call 
directory-list (which seems to call sort) or dir-list, which also calls sort 
and directory-list.

Perhaps I just need to wait for your fix.

On Monday, August 3, 2020 at 2:28:33 AM UTC-10 Matthew Flatt wrote:

> At Sun, 2 Aug 2020 18:38:18 -0700 (PDT), evdubs wrote:
> > However, the docs also show:
> > 
> > > (current-directory (collection-path "info"))
> > > (for/list ([f (in-directory)])
> > f)
> > '(#<path:main.rkt>
> > #<path:compiled>
> > #<path:compiled/main_rkt.dep>
> > #<path:compiled/main_rkt.zo>)
> > 
> > Isn't this not getting sorted correctly? I am seeing that calls to 
> > (in-directory) do not have sorted results, but calls to (in-directory 
> > "path") do have sorted results.
> You're right that the documentation's example is incorrect, and I'll
> fix that.
> Most examples in the documentation are rendered by running them, so the
> results can't get out-of-sync like this. Since the `in-directory`
> example involves the filesystem, though, the example result is written
> out in the documentation source, and it wasn't updated when the sorting
> guarantee was added to `in-directory`.
> Matthew

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