NAME
Clownfish::Hash - Hashtable.
SYNOPSIS
my $hash = Clownfish::Hash->new;
$hash->store($key, $value);
my $value = $hash->fetch($key);DESCRIPTION
Values are stored by reference and may be any kind of Obj.
CONSTRUCTORS
new
my $hash = Clownfish::Hash->new( capacity => 256 );Return a new Hash.
capacity - The number of elements that the hash will be asked to hold initially.
METHODS
clear
$hash->clear();Empty the hash of all key-value pairs.
store
$hash->store($key, $value);Store a key-value pair.
fetch
$hash->fetch($key);Fetch the value associated with key.
Returns: the value, or NULL if key is not present.
delete
$hash->delete($key);Attempt to delete a key-value pair from the hash.
Returns: the value if key exists and thus deletion succeeds; otherwise NULL.
has_key
$hash->has_key($key);Indicate whether the supplied key is present.
keys
$hash->keys();Return a Vector of pointers to the hash’s keys.
values
$hash->values();Return a Vector of pointers to the hash’s values.
get_size
$hash->get_size();Return the number of key-value pairs.
INHERITANCE
Clownfish::Hash isa Clownfish::Obj.