Hi all,

I use Perl6::Junction in Perl 5 and recently the author implemented the
"values" method on junctions.  I needed this because I sometimes find
that I need to do something conceptually similar to this:

  my $number = any( 0 .. 19 );
  while ($number->values) {
    my $rand int(rand(20));
    if ( $number == $random_number ) {

      # handle some task and discard the number
      $number = any( grep { $_ != $rand } $number->values );

In other words, sometimes I have code which receives a junction and
needs to provide a new junction based on the values of the old
junction, but with some values removed.

How do I do that in Perl 6?  I can't see that in the docs.  Clearly we
don't this to be done destructively as I suspect this will break
autothreading, but building new junctions based on old junctions seems


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