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Look out for daemons
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Dan Weinreb
Jan 19, 2009, 11:15:56 AM1/19/09
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An important point to remember is that using slot-value or with-slots
will go directly to the slot rather than running the accessor methods,
and so if you have, say, a :before daemon on a slot, it won't get
called. This might cause a bug, or at least a modularity violation
that could lead to future bugs. If you need to anticipate the
possibility of such daemons, then I doubt there's a way to avoid two
dispatches.
will go directly to the slot rather than running the accessor methods,
and so if you have, say, a :before daemon on a slot, it won't get
called. This might cause a bug, or at least a modularity violation
that could lead to future bugs. If you need to anticipate the
possibility of such daemons, then I doubt there's a way to avoid two
dispatches.
Possibly your program could use defstruct, which would make everything
cheaper, in most implementations of CL.
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