On Mon, Nov 7, 2011 at 12:39 PM, Aristotle Pagaltzis <pagalt...@gmx.de>wrote:
> * Trystan <trysta...@gmail.com> [2011-11-06 23:30]: > > I found this idea in Head First > > OOA&D<http://headfirstlabs.com/books/hfooad/>, chapter 5. It's > > somewhat like a very simple version of Key-Value > > Coding< > http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/KeyValueCoding/Articles/Overview.html%23//apple_ref/doc/uid/20001838-SW1 > >. > > It's also very similar to > > Object::Generic< > http://search.cpan.org/%7Ejmahoney/Object-Generic-0.13/lib/Object/Generic.pm > >but > > I didn't use AUTOLOAD and I implemented 'equals' and 'contains' > > methods in order to make the objects searchable within a container. > > > > Here's an example: > > > > my $a = tbd_name::Object->new(); > > my $b = tbd_name::Object->new(); > > > > $a->set( "ID", tbd_name::String->new("1234a") ); > > $b->set( "ID", tbd_name::String->new("1234a") ); > > > > print $a->get("ID"); > > > > $a->equals($b) ? print "yes"; > > > > $container = tbd_name::List->new(); > > $container->add($a); > > > > $container->search($b); #which returns $a > > > > What do I call this thing? > > Uhm. So when would I ever use this over a simple hash? >
