=begin comment 
Foo::Walker is in Foo/Walker.pm6
=end comment 

unit role Foo::Walker;

#| Begin walking...
method walk { ... }

=begin comment
Foo::Person is in Foo/Person.pm6
=end comment 

use Foo::Walker;
unit class Foo::Person does Foo::Walker is export;

has Str $.name;

#| Walk a distance $dist in $unit.
method walk($dist, $unit = 'ft') {
    say "$!name is walking $dist $unit.";
}

=begin comment 
main.p6 is in the directory as Foo/
=end comment 

use lib '.';
use Foo::Person;

my Person $p1 .= new: :name('Rapht');
$p1.walk(23);

=begin comment
My issue is that when I run p6doc on Person.pm6 to extract the documentation,
I get the following error:

===SORRY!===
Could not find Foo::Walker at line 1 in:
    /home/luis/.perl6
    /opt/rakudo/install/share/perl6/site
    /opt/rakudo/install/share/perl6/vendor
    /opt/rakudo/install/share/perl6
    CompUnit::Repository::AbsolutePath<94090483110400>
    CompUnit::Repository::NQP<94090463797560>
    CompUnit::Repository::Perl5<94090463797600>
=end comment