On 05/26/2016 09:46 AM, jp charras wrote: > Le 26/05/2016 à 08:59, Maciej Sumiński a écrit : >> Thank you Cirilo. I am trying to be really careful here, that is why I >> am asking for more details. I would like to make the code simpler, so >> there are no more doubts about whether to use operator = or Copy() (for >> some classes it is exactly the same code). >> >> For the scenario you described, there is EDA_ITEM::Clone() method. >> Copy() is defined only for a few classes, and others are copied using >> operator=, so it is a bit confusing to me. >> >> Regards, >> Orson > > Usually, Copy() is used when you do not want to copy all members. > Typically when you do not want to change Pback, Pnext, m_Parent, time stamp > and a few other pointers > and flags. > > If these members are reinitialized (or have the right value) after copy, > using Copy() or = (for > classes which do not define Copy() and can be copied by = ) can give the same > result.
Hi Jean-Pierre, Thank you for the explanations, it is quite clear now. The code is currently a bit incoherent (e.g. ZONE_CONTAINER::Copy() or TEXT_PCB::Copy()), I presume you will not mind if I fix it? Regards, Orson
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