Following up from a thread a couple of weeks ago, Dan wrote: > > Dave wrote: > >Hmmm, I can't quite how that trick works. How whould the following get > >evaluated: > > > >$opened || open(F, ...) > > The second PMC would point to a lazy list, so it wouldn't be evaluated > unless its value gets fetched. Do you have any more details how this 'lazy list' would work? The only way I can think is to have an 'execution' vtable type, which initially holds a pointer to a CV or an area of bytecode or somat, but when asked for it's value, executes itself and morphs into the result of the expression.
