Terminology: "reference" versus "pointer"
random832 at fastmail.com
Mon Sep 14 20:02:00 CEST 2015
On Mon, Sep 14, 2015, at 13:51, Emile van Sebille wrote:
> Actually, boxes with integers in them isn't the appropriate analogy.
> Consider the naming of cats. My cat is known to me as Paddy. My next
> door neighbor sometimes feeds her and is known to her as Stripes. The
> cat also is known as kitty to my youngest daughter. The cat has no idea
> what its name is, it just is and eats. So three labels, one object.
> Putting the object in three boxes isn't right
The point is that with immutable objects no-one cares if they are three
objects with the same value, or three references to the same object.
Your cat is not an integer.
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