Readonly

Facility for creating read-only scalars, arrays, hashes

Official docs outline

Extra Credit builds an outline of Readonly's docs the first time your work uses it. Until then, start at the official documentation.

CPAN-Meta the distribution metadata for a CPAN dist
JSON-XS JSON serialising/deserialising, done correctly and fast
Dist-Zilla-Plugin-PodWeaver weave your Pod together from configuration and Dist::Zilla
Dist-Zilla-Plugin-MetaProvides-Package Extract namespaces/version from traditional packages for provides
Type-Tiny tiny, yet Moo(se)-compatible type constraint
DBD-SQLite Self Contained SQLite RDBMS in a DBI Driver
Test-Requires Checks to see if the module can be loaded
Dist-Zilla-Plugin-ReadmeAnyFromPod Automatically convert POD to a README in any format for Dist::Zilla
Dist-Zilla-Plugin-Test-ReportPrereqs Report on prerequisite versions during automated testing
Log-ger A lightweight, flexible logging framework
Dist-Milla Distribution builder, Opinionated but Unobtrusive
autodie Replace functions with ones that succeed or die with lexical scope