[E-Lang] Possession as Metaphor (was: Pet Extensions and such (was: what is good about E?))

[Ben Laurie]

Ken Kahn wrote:
> 
> MarkM wrote:
> > Yes.  Jonathan Shapiro uses exactly this example to explain capabilities
> at
> > http://www.eros-os.org/essays/capintro.html#defn .  I like it.
> >
> 
> Thanks for the link. I was a bit surprised to read:
> 
> "Capabilities can be delegated. If you give your car key to me, you are
> trusting me not to hand it to somebody else. If you don't want [sic] trust
> me, you shouldn't hand me the key."
> 
> I would have thought you are trusting me to only hand the key to someone
> that can be trusted at least much as I can be trusted with your car keys.
> E.g. the valet may give the keys to another valet.

Why would I trust you to do that? I might _hope_ you would, but I can
only trust you to do that if I have mind control over you.

Cheers,

Ben.

--
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