Tie::RefHash(3p) Perl Programmers Reference Guide Tie::RefHash(3p)

Tie::RefHash(3p) Perl Programmers Reference Guide Tie::RefHash(3p) # Tie::RefHash(3p) Perl Programmers Reference Guide Tie::RefHash(3p) NNAAMMEE # Tie::RefHash - Use references as hash keys VVEERRSSIIOONN # version 1.40 SSYYNNOOPPSSIISS # require 5.004; use Tie::RefHash; tie HASHVARIABLE, 'Tie::RefHash', LIST; tie HASHVARIABLE, 'Tie::RefHash::Nestable', LIST; untie HASHVARIABLE; DDEESSCCRRIIPPTTIIOONN # This module provides the ability to use references as hash keys if you first "tie" the hash variable to this module. Normally, only the keys of the tied hash itself are preserved as references; to use references as keys in hashes-of-hashes, use Tie::RefHash::Nestable, included as part of Tie::RefHash. ...