getopt usage help to stderr?

[Andy Valencia]

On Wednesday, 9 April 2025 at 01:23:01 UTC, Salih Dincer wrote:
> On Tuesday, 8 April 2025 at 20:14:56 UTC, Andy Valencia wrote:
>>
>> p.s. Ironically, I could probably have coded a getopt in less 
>> time than I've spent on std.getopt...
>
> :)
>
> Please try the following example with the parameters -h, -e, 
> -l, and -v in that order:
>...

Thank you.

It turned out, aside from treating stderr with lockingTextWriter, 
I had a couple "in" arguments, which defaultGetoptFormatter 
wouldn't accept.  So with all that cleared up, help is now 
available.  Thank you again (both of you) for the helpful 
examples!

Andy