/usr/share/perl5/Mojo/Cache.pm is in libmojolicious-perl 2.23-1.
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 | package Mojo::Cache;
use Mojo::Base -base;
has 'max_keys' => 100;
# "If at first you don't succeed, give up."
sub get { (shift->{cache} || {})->{shift()} }
# "Maybe I should hook up with you guys.
# After all, how long do any of us have to live?
# Well, if you like the ribwich, not very.
# *holds up ribwich box with Krusty saying 'WILL CAUSE EARLY DEATH'*
# D'oh!"
sub set {
my ($self, $key, $value) = @_;
# Cache with size limit
my $keys = $self->max_keys;
my $cache = $self->{cache} ||= {};
my $stack = $self->{stack} ||= [];
delete $cache->{shift @$stack} while @$stack >= $keys;
push @$stack, $key;
$cache->{$key} = $value;
return $self;
}
1;
__END__
=head1 NAME
Mojo::Cache - Naive in-memory cache
=head1 SYNOPSIS
use Mojo::Cache;
my $cache = Mojo::Cache->new(max_keys => 50);
$cache->set(foo => 'bar');
my $foo = $cache->get('foo');
=head1 DESCRIPTION
L<Mojo::Cache> is a naive in-memory cache with size limits.
Note that this module is EXPERIMENTAL and might change without warning!
=head1 ATTRIBUTES
L<Mojo::Cache> implements the following attributes.
=head2 C<max_keys>
my $max_keys = $cache->max_keys;
$cache = $cache->max_keys(50);
Maximum number of cache keys, defaults to C<100>.
=head1 METHODS
L<Mojo::Cache> inherits all methods from L<Mojo::Base> and implements the
following new ones.
=head2 C<get>
my $value = $cache->get('foo');
Get cached value.
=head2 C<set>
$cache = $cache->set(foo => 'bar');
Set cached value.
=head1 SEE ALSO
L<Mojolicious>, L<Mojolicious::Guides>, L<http://mojolicio.us>.
=cut
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