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Perl 6 documentation (tools and docs)
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Latest commit adde2f @coke coke Merge pull request #160 from dha/master
Revised description of Str.indent

p6doc -- an attempt to write something like 'perldoc' for Perl 6

An HTML version of this documentation can be found at

(If you are browsing this repository via github, it will not display most files correctly, because this is Perl 6 Pod, and github assumes Perl 5 POD).

With a Rakudo perl6 executable in PATH, try

./bin/p6doc Type::Str

to see the documentation for class Str, or

./bin/p6doc Type::Str.split

to see the documentation for method split in class Str.

Help Wanted!

Perl 6 is not a small language, and documenting it takes a lot of effort. Any help is appreciated.

Here are some ways to help us:

  • add missing documentation for classes, roles, methods or operators
  • add usage examples to existing documentation
  • proofread and correct the documentation
  • tell us about missing documentation, either by adding it to the WANTED file, or by opening issues on github.
  • Do a git grep TODO in this repository, and replace the TODO items by actual documentation.

The file WANTED has a list of particular documents that are known to be missing and CONTRIBUTING explains briefly how to get started contributing documentation.

Some notes:

Q: Why aren't you embedding the docs in the CORE sources?
A: Several reasons:

  1. This documentation is intended to be universal with respect to a given version of the specification, and not necessarily tied to any specific Perl 6 implementation.
  2. Implementations' handling of embedded POD is still a bit uneven; this avoids potential runtime impacts.
  3. A separate repo in the perl6 Github account invites more potential contributors and editors.

Q: Should I include methods from superclasses or roles
A: No. The HTML version already includes methods from superclasses and roles, and the p6doc script will be taught about those as well.

Q: Which license is this stuff under?
A: Both code and documentation are available under the Artistic License 2.0 as published by The Perl Foundation. See the LICENSE file for the full text.


I want p6doc and to become the No. 1 resource to consult when you want to know something about a Perl 6 feature, be it from the language, or built-in types and routines. I want it to be useful to every Perl 6 programmer.

-- moritz

Wishlist stuff:

  • Search terms like .any, any(), &any, ::Any, etc. can be used to disambiguate whether information is sought on a method, subroutine, type, etc.

  • Searching for Int.Bool returns the documentation for the inherited method Numeric.Bool.

  • Searching for an operator name returns the documentation for the operator. (p6doc '%%' returns the documentation for &infix:<%%>.)

  • Perl6 implementations could embed P<...> tags in their source code that would then inline the corresponding entry from p6doc. This would enable things like &say.WHY to (dynamically!) retrieve the documentation string from p6doc, without having to duplicate the documentation in the CORE.setting sources or to encode the documentation into the binaries.


    # In Rakudo's src/core/
    #= P<p6doc/&print>
    sub print(|$) { ... }
    #= P<p6doc/&say>
    sub say(|$) { ... }
    #= P<p6doc/&note>
    sub note(|$) { ... }
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