In your example,
@_ is a list.
Syntacticaly, it seems like the following
assignments are easy to distinguish:
1. list=list
2. list=scalar
I can see reasons why not, maybe a 'scalar' is
automatically promoted to a '1-element list'.
If this is not the case, then
my suggestion was that in case (2), which doesn't seem to
make sense anyway, either a warning will be given or
the whole slice be set to the given value.
Case (1) is the same ol' perl.
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