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Select Code to Download


  1. or download this
    use Data::Dumper;
$x = {};
...
1 if ( exists $x->{Y}{X}  ) ;
1 if ( defined $x->{Z}{A}  );
print Dumper $x;
  2. or download this
    $VAR1 = {
          'Z' => {},
          'Y' => {}
        };
  3. or download this
    if ( $x->{Y} ) {
  if ( $x->{Y}{Z} ) {
    1 if ( $x->{Y}{Z}{A} ) ;
  }
} ; # $VAR={};