Re: Question about Watcher Attributes

On Tue, Apr 18, 2000 at 06:46:03PM +0000, [email protected] wrote:
> In the Tutorial.pdf file i see this note towards the last 2/3 of page 11
> which says:
> 
> 	"Beginning with version 0.60, Event additionally provides the base
> attribute data.  It is intended not for configuration
> 	 but for user controlled data storage".

Hm.  This is a little misleading.

> My assumption is that this "data" would be passed on to the watcher as a
> parameter of the callback when the watcher
> is invoked.
> 
> I've looked a the Event.pod which comes with version 0.73, but fail to see
> any mention of "data" there.

By default, all watchers are also hash refs.  I recommend:

  $watcher->{data} = ...;

And in the callback,

  sub my_cb {
    my $event = shift;
    my $watcher = $e->watcher;
    warn $watcher->{data};
    ...
  }

> Also, are there more examples (someplace) where I can get some working stuff
> using Event?

Did you look in the demo/ & t/ directories?  What are you looking for?

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