gistfile1.txt

[jdv@new-host-2 ~]$ cat test.pl6
use v6;

my $foo = <bar baz>;
say $foo.perl;
class Meh { has @.arr; }
say Meh.new(|%{ arr => $foo});
say Meh.new(arr => |$foo);

[jdv@new-host-2 ~]$ perl6 test.pl6
$("bar", "baz")
Meh.new(arr => [("bar", "baz"),])
Meh.new(arr => ["bar", "baz"])
[jdv@new-host-2 ~]$