getopt Basic usage

[Jon Degenhardt]

On Saturday, 15 August 2020 at 04:09:19 UTC, James Gray wrote:
> I am trying to use getopt and would not like the program to 
> throw an unhandled exception when parsing command line options. 
> Is the following, adapted from the first example in the getopt 
> documentation, a reasonable approach?

I use the approach you showed, except for writing errors to 
stderr and returning an exit status. This has worked fine. An 
example: 
https://github.com/eBay/tsv-utils/blob/master/number-lines/src/tsv_utils/number-lines.d#L48