The result of the whole expression is what I'd say is in scalar context, actually. Assess the context here:
perl -e 'print scalar( ($x, $y ) = ( 42, 101, 202 ) ); print "\n$x\n$y
+\n";'
The assignment operator itself happens to be
both in scalar
and in list context. It produces
both a list for the list,
and a scalar for the function
scalar(). Which oddly leads to the possibility of saying the assignment operator in this:
perl -E 'say scalar(() = ($a, $b, $c))'
... is both in scalar and void contexts.
I'm not sure how this is any more clear than saying there are exceptions to a general rule about lists returning something of their own accord.
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