p6.p6

zoffix@leliana:/tmp/tmp.rwUbjljNdi$ tree
.
├── One.pm6
├── Two.pm6
└── Volatile.pm6

0 directories, 3 files
zoffix@leliana:/tmp/tmp.rwUbjljNdi$ cat One.pm6 
unit class One;
method bar { EVAL 'use Volatile; Volatile.new.bar.say' }
zoffix@leliana:/tmp/tmp.rwUbjljNdi$ cat Two.pm6 
unit class Two;
method bar { EVAL 'use Volatile; Volatile.new.bar.say' }
zoffix@leliana:/tmp/tmp.rwUbjljNdi$ cat Volatile.pm6 
unit class Volatile;
has $.bar = 'meow2';
zoffix@leliana:/tmp/tmp.rwUbjljNdi$ perl6 -I. -MOne -MTwo -e 'One.new.bar; sleep 15; Two.new.bar'
meow
meow
zoffix@leliana:/tmp/tmp.rwUbjljNdi$