How about chucking the $index and rotating the array (shift and push) every time you get an element (which is now always the first)?

remove is now as trivial as it ought to be:

sub remove {
    my %del = map { $_ => 1 } @_;
    @items = grep { not $del{$_} } @items;
}

[download]

— Arien

In reply to Re: round-robin on varying sequence by Arien
in thread round-robin on varying sequence by dpuu

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