On Mon, Dec 17, 2007 at 09:50:32PM +0000, Nicholas Clark wrote: > On Mon, Dec 17, 2007 at 10:06:42AM -0600, Andy Lester wrote: > > Andy: My consting has run into its greatest challenge yet. > > Andy: Making self args to PMCs consts where appropriate. > > Andy: <jarring chord> > > Andy: INTVAL such_and_such_elements( PMC *self ); > > Andy: Tell me that *self shouldn't be const. > > Andy: Go on, tell me. > > Andy: You can't. > > > > particle: of course i can't > > particle: in accessors, self should be constant > > The equivalent would break in Perl 5, where the "objects" can change internal > private state as a side effect of being read. For example, conversions are > cached.
Which is where, in C++, you would be using the mutable keyword. I don't think this has yet made it into any C standard, but my knowledge in these areas is a little out of date. -- Paul Johnson - [EMAIL PROTECTED] http://www.pjcj.net
