> Capabilities can loosely be thought of like bound methods. Security with
> capabilities is done based on possession; if you hold a reference to an
> object you can use that object.
No -- capabilities (as envisioned for Python) are references. Whether a
reference to an object, to a bound method, or to a function doesn't matter.
Note that it isn't that capabilities are "like" references, it is that
capabilities *are* references. Every reference is a capability. Every
capability is a reference.
> Security with
> capabilities is done based on possession; if you hold a reference to an
> object you can use that object.
Yes.
Regards,
Zooko
http://zooko.com/
^-- under re-construction: some new stuff, some broken links
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