Add function stdlib::sort_by

[XMol]

Summary

Add new Ruby function stdlib::sort_by(), emulating native Ruby's Enumerable.sort_by() for Puppet.

Additional Context

stdlib::sort_by() supports sorting Strings, Arrays and Hashes

• Arrays, since that is the most prominent use-case
• Strings, because it is a subset of Iterable, even though I cannot imagine any sensible proc besides clone/copy, which would be identical to basic String::sort()
• Hashes, because that was found to be missing in Add Ruby function stdlib::cmp_hash #1376, even though there likely is little demand for it

Related Issues

#1376

Checklist

• 🟢 Spec tests included
• ⚪Acceptance tests are not changed, some of them fail even on the master branch, so unrelated to my additions
• Manually verified with puppet apply version 7.24.0 on RHEL-7.9

[CLAassistant]

All committers have signed the CLA.

[smortex]

This looks good, I am curious what other people think about it.

[XMol]

Regarding the pending signature of the CLA agreement, I'm still waiting for a reply from our legal department... No estimated timeline, of course.

[XMol]

Since our legal department has not replied to me in 3 months, I sign the CLA at my own risk. Stalling this MR for an unknown amount of time just because I'm trying to follow the rules is ridiculous.

[XMol]

Hi project maintainers,

is anything else missing to merge this PR? I've signed the CLA months ago and at least one reviewer gave his approval (thanks for the support, @smortex).

Kind regards,
Xavier.

[bastelfreak]

@XMol can you please rebase against the main branch?

[XMol]

@XMol can you please rebase against the main branch?

Will do...

[bastelfreak]

As I wrote, please do a rebase, not a merge.

[XMol]

As I wrote, please do a rebase, not a merge.

Sorry, I understood that, but I wasn't sure what GitHub would do when I press "sync fork". 🙂

[bastelfreak]

yeah the button is shit :(

[XMol]

Guess we now need to wait for the two pipelines to eventually fail in about 4 hours? The Acceptance tests on Ubuntu-ARM seem to be broken...

[XMol]

Thanks for the prompt reaction, @bastelfreak.