/usr/share/perl5/Cache/Ref/Util/LRU/List.pm is in libcache-ref-perl 0.04-1.
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 | package Cache::Ref::Util::LRU::List;
BEGIN {
$Cache::Ref::Util::LRU::List::AUTHORITY = 'cpan:NUFFIN';
}
BEGIN {
$Cache::Ref::Util::LRU::List::VERSION = '0.04';
}
use Moose;
use namespace::autoclean;
with (
'Cache::Ref::Util::LRU::API',
'Cache::Ref::Role::WithDoublyLinkedList' => {
name => "",
value_offset => 0,
next_offset => 1,
prev_offset => 2,
head_method => "mru",
tail_method => "lru",
shift_method => "remove_mru",
pop_method => "remove_lru",
unshift_method => "insert",
},
);
sub hit {
my ( $self, @l ) = @_;
return unless @l;
$self->_splice(@l);
$self->_link_sequence(@l);
my ( $head, $tail ) = @l[0, -1];
if ( my $old_head = $self->_head ) {
# prepend @l to the head of the list
$self->_set_prev($old_head, $tail);
$self->_set_next($tail, $old_head);
} else {
# just set @l as the new list
$self->_tail($tail);
}
$self->_head($head);
return;
}
sub remove {
my ( $self, @l ) = @_;
$self->_splice(@l);
@$_ = () for @l;
}
sub clear { shift->_clear }
sub DEMOLISH { shift->clear }
__PACKAGE__->meta->make_immutable;
__PACKAGE__;
# ex: set sw=4 et:
__END__
=pod
=encoding utf-8
=head1 NAME
Cache::Ref::Util::LRU::List
=head1 AUTHOR
Yuval Kogman
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2010 by Yuval Kogman.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|