use strict;
use warnings;
{
my( $x , $y ) ;
print 'scalar( ($x, $y ) ) ', scalar( ($x, $y ) )
+, "\n";
print 'scalar( ($x, $y ) ) = () ', scalar( ($x, $y ) =
+ () ), "\n";
print 'scalar( ($x, $y ) ) = (undef) ', scalar( ($x, $y ) =
+ (undef) ), "\n";
print 'scalar( ($x, $y ) ) = (undef,undef) ', scalar( ($x, $y ) =
+ (undef,undef) ), "\n";
print 'scalar( ($x, $y ) ) = (0) ', scalar( ($x, $y ) =
+ (0) ), "\n";
print 'scalar( ($x, $y ) ) = (0,0) ', scalar( ($x, $y ) =
+ (0,0) ), "\n";
print 'scalar( ($x, $y ) ) = (1,0) ', scalar( ($x, $y ) =
+ (1,0) ), "\n";
print 'scalar( ($x, $y ) ) = (1,1) ', scalar( ($x, $y ) =
+ (1,1) ), "\n";
print 'scalar( ($x, $y ) ) = (1,1,1) ', scalar( ($x, $y ) =
+ (1,1,1) ), "\n";
print "\n\n";
}
__END__
Useless use of private variable in void context at - line 5.
Use of uninitialized value $y in print at - line 5.
scalar( ($x, $y ) )
scalar( ($x, $y ) ) = () 0
scalar( ($x, $y ) ) = (undef) 1
scalar( ($x, $y ) ) = (undef,undef) 2
scalar( ($x, $y ) ) = (0) 1
scalar( ($x, $y ) ) = (0,0) 2
scalar( ($x, $y ) ) = (1,0) 2
scalar( ($x, $y ) ) = (1,1) 2
scalar( ($x, $y ) ) = (1,1,1) 3
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