New library: argparse, for parsing CLI arguments

[Andrei Alexandrescu]

On 2021-10-13 7:27, Andrey Zherikov wrote:
> Hi everyone,
> 
> I'm happy to announce that I've published a CLI argument parsing library 
> - [argparse](https://code.dlang.org/packages/argparse). It's been around 
> for some time already so please take a look and provide your feedback if 
> you haven't done so.
> 
> The reasoning to create one more CLI parsing library is that the 
> existing libraries do not provide enough flexibility in parsing that I'm 
> looking for and/or they depend on other libraries. As a result 
> `argparse` supports wide variety of data types including enums, 
> callbacks and arrays as well as a fully customized argument parsing. It 
> also doesn't depend on anything besides the standard library.
> 
> Since it's in active development (activeness depends on my availability 
> of course), I have few things to do before making the first major 
> release so stay tuned and/or contribute if you'd like to.

Cool!

One note - gflags (https://opensource.google/projects/gflags) allows 
modules to define their own flags in a decentralized manner. I've always 
thought this is a major feature missing from std.getopt, but never got 
around to it. It would be great if argparse would add such support.