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Postings from July 2016
On Sat Jul 09 17:50:30 2016, zefram@fysh.org wrote: > Father Chrysostomos via RT wrote: > >I have a good counterexample. If you have dumping code that tries to > >dump data structures without any side effects (including tied vars), > >it will no longer be able to use ref $ref_to_var_we_are_dumping without > >potentially calling code. > > That code is going to have difficulty anyway in dumping data without > invoking ties. ref() is far from a unique point of difficulty; how > do you imagine it acquiring a string value to dump? You dump the object it is tied to instead. But I suppose it is easy enough to check tiedness before checking ref. > The only way to > walk the data structure without invoking magic is by custom XS code, > and obviously that's not going to be affected by ref(). > > -zefram > -- Father Chrysostomos --- via perlbug: queue: perl5 status: open https://rt.perl.org/Ticket/Display.html?id=128588Thread Previous | Thread Next