Hash::Util::FieldHash 5.10.0

Hash::Util::FieldHash is a Perl module with support for Inside-Out Classes.

SYNOPSIS

### Create fieldhashes
use Hash::Util qw(fieldhash fieldhashes);

# Create a single field hash
fieldhash my %foo;

# Create three at once...
fieldhashes my(%foo, ºr, ºz);
# ...or any number
fieldhashes @hashrefs;

### Create an idhash and register it for garbage collection
use Hash::Util::FieldHash qw(idhash register);
idhash my %name;
my $object = do { my $o };
# register the idhash for garbage collection with $object
register($object, %name);
# the following entry will be deleted when $object goes out of scope
$name{$object} = 'John Doe';

### Register an ordinary hash for garbage collection
use Hash::Util::FieldHash qw(id register);
my %name;
my $object = do { my $o };
# register the hash %name for garbage collection of $object's id
register $object, %name;
# the following entry will be deleted when $object goes out of scope
$name{id $object} = 'John Doe';

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Requirements:

· Perl