Official definition of call-by-value (Re: Finding the instance reference...)
robert.kern at gmail.com
Wed Nov 19 00:03:35 CET 2008
Terry Reedy wrote:
> Steven D'Aprano wrote:
>> On Sun, 16 Nov 2008 15:46:54 -0800, rurpy wrote:
>> For example, consider the two electrons around a helium nucleus. They
>> have the same mass, the same speed, the same spin, the same electric
>> charge, the same magnetic moment, they even have the same location in
>> space (technically, the same wave function).
> By quantum mechanics (Pauli Exclusion principle), this is impossible.
> > They are identical in every
>> possible way. Are they the same electron, or two different electrons?
>> What does the question even mean?
> That you do not understand QM?
> Photons, on the other hand, can be identical, hence lasars.
> Matter is divided into leptons and bosons, individualists and
> communalists. (I believe I have the name right.)
Fermions and bosons, actually.
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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