BEGIN { with '/tmp/Foo/'.mkdir { .add('Foo.pm6').spurt: ｢class Foo { has $.bar where do require ::('Bar') }｣; .add('Bar.pm6').spurt: ｢use Foo; class Bar { has Foo $.foo }｣ }; use lib '/tmp/Foo'; use Bar; use Foo; Foo.new: :bar(Bar)