Attempt to document Baggy.antipairs

gistfile1.txt

=head2 method antipairs

Defined as:

    method antipairs(Baggy:D:) returns Seq:D

Returns all elements and their respective weights as a L<Seq|/type/Seq> of C<Pair>s
where the element itself is the value and the weight of that element is the key, i.e.
the opposite of method L<pairs|#method pairs>.

    my $breakfast = bag <eggs bacon>;
    my $seq = $breakfast.antipairs;
    say $seq.sort;                                    # (1 => eggs 2 => bacon)