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This bundle defines modules that may be of interest to those discussing and implementing the Perl 6 language. Some of these are proof-of-concepts that the respective authors have implemented to show how things might work in Perl 6.

Following the release of CPAN::Mini, the CPAN::Mini::Inject module was created to add additional distributions into a minicpan mirror. While it was created for use with a minicpan mirror, similar functionality can be reused in other situations. CPAN::Inject replicates the basics of this functionality. Specifically, it takes an arbitrary tarball and adds it to the CPAN sources directory for a particular author, and then add the new file to the CHECKSUMS file.

The functions in this module implement or assist the writing of programs, or parts of them, in Continuation Passing Style (CPS). Briefly, CPS is a style of writing code where the normal call/return mechanism is replaced by explicit "continuations", values passed in to functions which they should invoke, to implement return behaviour.

The Portable Coroutine Library (PCL) implements the low level functionality for coroutines. For a definition of the term coroutine see The Art of Computer Programming by Donald E. Knuth. Coroutines are a very simple cooperative multitasking environment where the switch from one task to another is done explicitly by a function call.

Software distributions released to the CPAN include a META.json or, for older distributions, META.yml, which describes the distribution, its contents, and the requirements for building and installing the distribution. The data structure stored in the META.json file is described in CPAN::Meta::Spec. CPAN::Meta provides a simple class to represent this distribution metadata (or distmeta), along with some helpful methods for interrogating that data.

CPAN::Mini provides a simple mechanism to build and update a minimal mirror of the CPAN on your local disk. It contains only those files needed to install the newest version of every distribution.

Adds CPAN Testers reporting to CPAN.pm

This package is used for setting up, maintaining, and searching a CPAN database consisting of the information stored in the three main CPAN indices: $CPAN/modules/03modlist.data.gz, $CPAN/modules/02packages.details.txt.gz, and $CPAN/authors/01mailrc.txt.gz.

CPAN::Uploader - upload things to the CPAN

This module uses the backend of CPANPLUS to run tests on modules recently uploaded to CPAN and post results to the CPAN Testers list. It will create a database file in the .cpanplus directory, which it uses to track tested distributions. This information will be used to keep from posting multiple reports for the same module, and to keep from testing modules that use non-passing modules as prerequisites. If it is given multiple versions of the same distribution to test, it will test the most recent version only. If that version fails, then it will test a previous version. By default it uses CPANPLUS configuration settings.