The key motivation for independent iterator objects is that they allow the program to have multiple iterators even on the same category by removing the need for the File::Collector object to track the iterators.

These "bundles" look a lot like independent iterators, and you could easily introduce an ->all method that returns a special object like so:

(in File::Collector::Iterator)

sub all {
  my $self = shift;
  bless \ $self, 'File::Collector::Iterator::All';
}

{
  package File::Collector::Iterator::All;

  sub AUTOLOAD {
    our $AUTOLOAD;
    my $self = shift;

    $$self->$AUTOLOAD(@_) while ($$self->next_file);
  }
}

[download]

This allows subclasses of File::Collector::Iterator to define their own "bundle actions" invokable as $iterator->all->$action. For example, a subclass that adds a delete action could contain simply:

sub delete { unlink (shift)->selected_file }

[download]

In reply to Re^13: How to completely destroy class attributes with Test::Most? by jcb
in thread How to completely destroy class attributes with Test::Most? by nysus

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