On Sunday 01 June 2008 19:31:34 Paul Fenwick wrote: > Questions I'm seeking answers to are: > > * Is there a document that describes the current p6l exception hierarchy? > My searching skills seem to be impaired today. > > * Does anyone have any input they'd like to make before I start fleshing > out the hierarchy for p5 autodie?
Hierarchies suck, especially singly-rooted hierarchies. Then again, multiply-rooted hierarchies turn into big cyclic graphs. Make a list of all possible types of exceptions, define them as roles, and group them that way. Any given exception can implement multiple roles (:CORE and :io, for example, or a specialization of that role that also does :USER). -- c
