I guess this is more of a CTM question than strictly a Mozart question.
I'm wondering about kernel syntax for feature selection. I wasn't able
to get a clear understanding of what the kernel syntax for feature
selection is supposed to be. It seems that in a strict sense, R.F is not
a kernel value (as defined in Chapter 2)
I can see how to simulate
X = R.F
with
R = <label>( <f1>:_ <f2>:_ F:X )
But is this the best solution? For one thing, I think the error handling
is different. For another, it requires knowing the complete arity of the
record, which . does not.
Using {Value.'.' R F X} is not very satisfactory, since it relies on
. to get the procedure value.
All the best,
David
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