id_2obj#
The registered object that has a given id.
Synopsis#
use Hash::Util::FieldHash qw(id id_2obj);
my $obj = id_2obj($id);
What you get back#
A new reference to the object whose id is $id, or undef. Only objects that have been used as a field hash key or passed to register are known; for any other id, and once the object is gone, the answer is undef.