Perl dumper usage and meaning

Meaning: Helping to understand the data structure of the object being deposited

Data::D umper with object-oriented and direct-use functions two methods of invocation

The function is called directly, for example:

Use Data::D umper;
My $a="Good";my $b=" Bad";my @my_array= ("Hello"," World","123",4.5);my %some_hash= ("Foo", *,"Bar",12.4,2.5,"Hello","Wilma",1.72e30,"Betty","bye\n");PrintDumper ($a);PrintDumper (\@my_array);PrintDumper (\%some_hash);PrintDumper ((\%some_hash, \@my_array));

Output Result:

Perl dumper usage and meaning