Nobody else has defined "zombie fungus takeover attack" before, but I think it's the best term I can come up with

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Also adds, as a weird and semi-unintentional bonus, a way for an actor to say "am I who I think I am?" with the `eq?` operator.

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Me: "I just implemented a zombie fungus takeover attack, I hope this is useful information without any further context"
Presumably my followers: "It isn't"

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So here's some context:

In Goblinoid, an actor can specify that it wants to "become" another actor, kind of like in erlang. Unintentionally, an actor might call some procedure which instead of returning a value, would say "No, you're this thing now!"

That's fixed now; on invocation / message receive, the actor now gets a "become" ocap unique to that actor (but re-used between invocations). Now only someone with that reference can perform becoming-ness.

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BTW the key to how this works uses sealers/unsealers. You may remember I discussed them yesterday: octodon.social/@cwebber/102525

The "become" operator is actually a sealer! The "kernel" that calls each actor has set up a unique sealer/unsealer/sealed? triplet per actor, passes in the "become-sealer" on invocation, and will only accept a "become" sealed by that particular sealer.

Sealers/unsealers: useful in all sorts of places!

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An actor can allow another actor to tell them what to become, but only if they consensually pass the authority to do that to the other actor. I suspect that'll be rare.

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@cwebber

And what happens when an actor and another actor walk into a bar? What does the server tell them?

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