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package Array::Queue; |
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$Array::Queue::VERSION = '0.1.2'; |
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use Moose; |
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use namespace::autoclean; |
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=head1 NAME |
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Array::Queue - A simple fifo queue |
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=head1 VERSION |
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version 0.1.2 |
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=head1 SYNOPSIS |
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my $queue = Array::Queue->new; |
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$ar->add({ id => 20 }); |
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$ar->add({ id => 18 }); |
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$ar->add({ id => 22 }); |
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while ($node = $queue->first) { |
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# do things with node |
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$queue->remove; |
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} |
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=head1 DESCRIPTION |
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Array::Queue is a fairly simple First-In / First-Out queue build with Moose. |
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Any data structure can be added to the queue and retrieved in the order it was |
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added. |
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Originally part of Array::Queue::Priority until I decided to break them into two |
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classes, the one dependant on the other. |
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=head1 METHODS |
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=head2 C<add> |
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$ar->add( 99 ); |
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You can add any type of item to the queue. |
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=head2 C<remove> |
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$ar->remove; |
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Remove the oldest item on the queue. |
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Returns value removed. |
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55
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=head2 C<first> |
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$ar->first; |
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Returns the first / oldest item in the queue. |
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Leaves the item in the queue. |
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=head2 C<queue> |
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$ar->queue; |
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67
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Reference directly the array used to store the queued items. |
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=head2 C<size> |
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71
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$ar->size; |
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73
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How many elements are in the queue. |
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75
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=head2 C<empty> |
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$ar->empty; |
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Boolean, is queue empty? |
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81
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=head1 AUTHOR |
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82
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83
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Dan Burke C<< dburke at addictmud.org >> |
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85
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=head1 BUGS |
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86
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87
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If you encounter any bugs, or have feature requests, please create an issue |
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on github. https://github.com/dwburke/perl-Array-Queue/issues |
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90
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Pull requests also welcome. |
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92
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=head1 LICENSE AND COPYRIGHT |
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94
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L<http://www.perlfoundation.org/artistic_license_2_0> |
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96
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=cut |
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98
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99
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sub first { |
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1
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my ($self) = @_; |
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12
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289
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$self->get(0); |
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} |
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104
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105
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has queue => ( |
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is => 'rw', |
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isa => 'ArrayRef[Item]', |
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traits => [ 'Array' ], |
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default => sub { [ ] }, |
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handles => { |
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111
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add => 'push', |
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112
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remove => 'shift', |
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size => 'count', |
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get => 'get', |
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empty => 'is_empty', |
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_insert => 'insert', |
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}, |
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118
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); |
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119
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120
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121
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122
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__PACKAGE__->meta->make_immutable; |
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124
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1; |