Just to pound the point completely into the ground:

>perl -wMstrict -le
"F('success');
 ;;
 sub F {
   my   $scalar_context = @_;
   my ( $list_context ) = @_;
   ;;
   print qq{in scalar context: '$scalar_context'};
   print qq{in list context: '$list_context'};
   }
"
in scalar context: '1'
in list context: 'success'
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