On Fri, May 02, 2008 at 12:21:27PM -0700, chromatic wrote: : On Friday 02 May 2008 11:55:54 Larry Wall wrote: : > The only interesting question in my mind is whether you can take : > another snapshot and override the previous one somehow, or whether : > such derived roles should version themselves so that the snapshots : > can be distinguished by longname. Alternately, we make one snapshot : > when a class is first composed, and refuse to make any other snapshots : > for that name regardless of how the class under that name changes. : : I'm not sure which is best. Snapshotting at the time of first composition (or : the first time someone says "Hey, I provide that other class's role!") seems : right though.
Or maybe a class is just a role that's been ORKED with a COW bit. Larry
