SPUG: code reference callback on a class method
ced at carios2.ca.boeing.com
ced at carios2.ca.boeing.com
Fri May 31 13:21:56 CDT 2002
> How do you do a callback on a class method? For
> example:
> Zub process_files {
> my $self = shift;
> # stuff
> }
> Zub process {
> my $self = shift;
> find(\&process_files, @ARGV);
> }
> I'm trying to get the first argument of find() to be a
> callback using $self->process_files()
> I went to the books on subroutines and references, but
> I'm stuck. Any help would be greatly appreciated.
Take a look at "11.8 Creating References to Methods" in the
Perl Cookbook by T. Christiansen.
Briefly, you'll need to create a closure, eg,
my $mref = sub { $self->process_files() };
...
find( $mref, @ARGV );
hth,
--
Charles DeRykus
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
POST TO: spug-list at pm.org PROBLEMS: owner-spug-list at pm.org
Subscriptions; Email to majordomo at pm.org: ACTION LIST EMAIL
Replace ACTION by subscribe or unsubscribe, EMAIL by your Email-address
For daily traffic, use spug-list for LIST ; for weekly, spug-list-digest
Seattle Perl Users Group (SPUG) Home Page: http://seattleperl.org
More information about the spug-list
mailing list