p6 - hash and ROUTINE

sub foo {
    return %(
        '%()' => %( &?ROUTINE.name => "bar" ),
        '${}' => ${ &?ROUTINE.name => "bar" },
        '{}'  => { &?ROUTINE.name => "bar" },
    );
}

say foo;

Output:
{${} => {<unit> => bar}, %() => {foo => bar}, {} => {<unit> => bar}}