Re: [Xsb-development] Assert hooks

[<ki...@cs...>]

I vaguely recall that David put it in, but don't remember the reason.
m

> 
> Rui and I are starting to think about how to include assert and
> retract in a MT environment (actually, I'm starting to think, but he's
> been thinking about it for a while).  There are a number of
> complications, but one for today is assert_hook, called every time a
> predicate is asserted, and retract_hook.
> 
> I dont see the common system actually using any assert hooks --- does
> anyone remember why this was put in, and what assert and retract hooks
> are used for?
> 
> Terry
> 
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