[ warnocked ] Leopold Toetsch <[EMAIL PROTECTED]> wrote: > The set_integer_native() vtable method of arrays is implemented > inconsistently. The old historical way in Array was to set an initial > size. My implementation in SArray OTOH only reserves the needed store, > but doesn't change the element count. > new P0, .SArray > set P0, 2 > set I0, P0 # SArray.elements() > print I0 > new P1, .Array # or .PerlArray > set P1, 2 > set I1, P1 # Array.elements() > print I1 > print "\n" > end > 02
> This is bad. But it gets worse: You can do "push P0, x" twice on the > SArray, filling the first 2 elements. You can't do that on Array. It > would set the element #2 which is beyond the preset element count - push > is currently not usable for Array PMCs. (PerlArray works basically like > Array but does auto-extend) > I'd like to unify the behavior and get best from these two worlds: > 1) can set an initial store size and (if really needed) > 2) can set an initial element count, not-yet set values are NULL. > One further note, while at Array/PerlArray: the class dependency is > suboptimal. PerlArray isa Array isa list. The underlying list is > auto-extending and does no bounds checking. Array does bounds-checking. > PerlArray doesn't bounds check. So for better performace and simpler > code, the dependency of PerlArray and Array should be swapped. > Comments welcome, > leo leo
