/usr/share/perl5/Thread/Tie/Hash.pm is in libthread-tie-perl 0.13-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | package Thread::Tie::Hash;
# Make sure we have version info for this module
# Make sure we do everything by the book from now on
$VERSION = '0.13';
use strict;
# Load only the stuff that we really need
use load;
# Satisfy -require-
1;
#---------------------------------------------------------------------------
# Following subroutines are loaded on demand only
__END__
#---------------------------------------------------------------------------
# standard Perl features
#---------------------------------------------------------------------------
# IN: 1 class for which to bless
# 2..N key-value pairs to initialize with
# OUT: 1 instantiated object
sub TIEHASH { my $class = shift; bless {@_},$class } #TIEHASH
#---------------------------------------------------------------------------
# IN: 1 instantiated object
# 2 key of element to fetch
# OUT: 1 value of element
sub FETCH { $_[0]->{$_[1]} } #FETCH
#---------------------------------------------------------------------------
# IN: 1 instantiated object
# 2 key for which to store
# 3 new value
sub STORE { $_[0]->{$_[1]} = $_[2] } #STORE
#---------------------------------------------------------------------------
# IN: 1 instantiated object
sub CLEAR { %{$_[0]} = () } #CLEAR
#---------------------------------------------------------------------------
# IN: 1 instantiated object
# OUT: 1 first key of hash
# 2 value associated with first key
sub FIRSTKEY {
# Reset the each() magic
# Return first key/value pair
scalar( keys %{$_[0]} );
each %{$_[0]};
} #FIRSTKEY
#---------------------------------------------------------------------------
# IN: 1 instantiated object
# OUT: 1 next key of hash
# 2 value associated with next key
sub NEXTKEY { each %{$_[0]} } #NEXTKEY
#---------------------------------------------------------------------------
# IN: 1 instantiated object
# 2 key of element to check
# OUT: 1 flag: whether element exists
sub EXISTS { exists $_[0]->{$_[1]} } #EXISTS
#---------------------------------------------------------------------------
# IN: 1 instantiated object
# 2 key of element to delete
sub DELETE { delete $_[0]->{$_[1]} } #DELETE
#---------------------------------------------------------------------------
__END__
=head1 NAME
Thread::Tie::Hash - default class for tie-ing hashes to threads
=head1 DESCRIPTION
Helper class for L<Thread::Tie>. See documentation there.
=head1 CREDITS
Implementation inspired by L<Tie::StdHash>.
=head1 AUTHOR
Elizabeth Mattijsen, <liz@dijkmat.nl>.
Please report bugs to <perlbugs@dijkmat.nl>.
=head1 COPYRIGHT
Copyright (c) 2002-2003 Elizabeth Mattijsen <liz@dijkmat.nl>. All rights
reserved. This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
=head1 SEE ALSO
L<Thread::Tie>.
=cut
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