Which brings me to a more constructive comment:
which is fine, thanks, though does not scale up to patterns such as
a(F1:v F2:v ...), since v cannot be the feature of two fields, as it
would have to be in the inversed record.
True, and in addition to that, the values must be atoms / ints.
You can probably also try other "inversing" tricks, something like
case {ScanRecordForValues R [v1 v2 v3 v4]}
of r(1:[F1 F2] 2:[F3] 3:F4|F5|F6|_ 4:nil) then ....
end
or even
case {ScanRecordForValues_Labelled R spec(l1:v1 l2:v2 l3:v3 l4:v4)}
of r(l1:[F1 F2] l2:[F3] l3:F4|F5|F6|_ l4:nil) then ....
end
Cheers,
Filip
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