use v6;

my @x = 1,2,3;
my @y = 4,5,6;
say \(@x,@y).perl;

my (@u,@v) = @x,@y;
say ~@u;

my $t = \(@x,@y);
(@u,@v) = @$t;
say ~@u;

blub(@x,@y);
sub blub(@h,@k) {
 say ~@h;
}