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Hackathon Chicago, Nov 10-12, 2006

List of problems and proposed solutions for PMCs:

properties don't serialize

Above isn't quite true. The problem is: Not all PMCs properly serialize properties by calling the default implementation.

get rid of properties

Properties were invented at times, when it looked like that Perl6 needs it. But this isn't true anymore. The problem with a gneral property system is that every PMC might get properties at runtime, so all PMCs share the burden all the time of a hardly used "feature". Further: a property currently is one full-blown hash per object, typically to store just one value.

The same effect can easily be achieved by using one AddrRegistry Hash to store values in it. Finaly: if some class system needs properties, it can just implement it.

attributes use external data slot (pmc_ext)

Implement differently-sized PMCs.

DYNSELF is the common case, but the common case should be SELF

DYNSELF is closer to the true OO self; if anything is worthy of the name SELF, it's DYNSELF. SELF should be renamed to something a little more static.

composition is almost non-existent (roles would be nice)

See also similar topic for object


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