line |
stmt |
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sub |
pod |
time |
code |
1
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package Acme::MooseX::JSON; |
2
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3
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1
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1
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731536
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use 5.008; |
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1
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4
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1
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41
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4
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1
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1
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6
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use strict; |
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1
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2
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1
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58
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5
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1
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1
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6
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use warnings; |
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1
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2
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1
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52
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6
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7
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our $AUTHORITY = 'cpan:TOBYINK'; |
8
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our $VERSION = '0.001'; |
9
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10
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1
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1
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5
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use Moose 2.00 (); |
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1
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16
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1
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24
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11
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1
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1
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5
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use Moose::Exporter; |
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1
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2
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1
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9
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12
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1
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1
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51
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use Moose::Util::MetaRole; |
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1
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2
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1
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21
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13
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1
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1
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617
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use Scalar::Accessors::LikeHash::JSON (); |
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1
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3
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1
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47
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14
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15
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my $ACCESSORS = "Scalar::Accessors::LikeHash::JSON"; |
16
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17
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BEGIN { |
18
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package Acme::MooseX::JSON::Trait::Class; |
19
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1
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1
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1454
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use Moose::Role; |
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1
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5269
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1
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7
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20
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1
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1
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6462
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our $AUTHORITY = 'cpan:TOBYINK'; |
21
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1
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43
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our $VERSION = '0.001'; |
22
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}; |
23
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24
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BEGIN { |
25
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package Acme::MooseX::JSON::Trait::Instance; |
26
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1
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1
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9
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use Moose::Role; |
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1
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2
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1
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4
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27
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1
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1
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6203
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our $AUTHORITY = 'cpan:TOBYINK'; |
28
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1
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2
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our $VERSION = '0.001'; |
29
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30
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override create_instance => sub { |
31
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1
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2415
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my $meta = shift; |
32
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1
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11
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my $class = $meta->associated_metaclass; |
33
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1
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4
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my $str = "{}"; |
34
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1
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8
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bless \$str, $class->name; |
35
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1
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7
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}; |
36
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37
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override clone_instance => sub { |
38
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0
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0
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my ($meta, $instance) = @_; |
39
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0
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0
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my $class = $meta->associated_metaclass; |
40
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0
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0
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my $str = $$instance; |
41
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0
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0
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bless \$str, $class->name; |
42
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1
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182
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}; |
43
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44
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override get_slot_value => sub { |
45
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0
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0
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my ($meta, $instance, $slot_name) = @_; |
46
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0
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0
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return $ACCESSORS->fetch($instance, $slot_name); |
47
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1
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113
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}; |
48
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49
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override set_slot_value => sub { |
50
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1
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348
|
my ($meta, $instance, $slot_name, $value) = @_; |
51
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1
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12
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return $ACCESSORS->store($instance, $slot_name, $value); |
52
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1
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107
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}; |
53
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54
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1
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105
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override initialize_slot => sub { 1 }; |
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0
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0
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55
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56
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override deinitialize_slot => sub { |
57
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0
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0
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my ($meta, $instance, $slot_name) = @_; |
58
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0
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0
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return $ACCESSORS->delete($instance, $slot_name); |
59
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1
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106
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}; |
60
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61
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override deinitialize_all_slots => sub { |
62
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0
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0
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my ($meta, $instance) = @_; |
63
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0
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0
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return $ACCESSORS->clear($instance); |
64
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1
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104
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}; |
65
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66
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override is_slot_initialized => sub { |
67
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0
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0
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my ($meta, $instance, $slot_name) = @_; |
68
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0
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0
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return $ACCESSORS->exists($instance, $slot_name); |
69
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1
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133
|
}; |
70
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71
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override weaken_slot_value => sub { |
72
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0
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0
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my ($meta, $instance, $slot_name) = @_; |
73
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0
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0
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my $class = $meta->associated_metaclass; |
74
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0
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0
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confess "$class is implemented using Acme::MooseX::JSON, so cannot store weakened references."; |
75
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1
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107
|
}; |
76
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77
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1
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106
|
override slot_value_is_weak => sub { 0 }; |
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0
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0
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78
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79
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override inline_create_instance => sub { |
80
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1
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2041
|
my ($meta, $klass) = @_; |
81
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1
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20
|
qq{ bless \\(my \$json = '{}'), $klass } |
82
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1
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146
|
}; |
83
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84
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|
override inline_slot_access => sub { |
85
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1
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7
|
my ($meta, $instance, $slot_name) = @_; |
86
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1
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7
|
qq{ '$ACCESSORS'->fetch($instance, '$slot_name') } |
87
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1
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130
|
}; |
88
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89
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|
|
override inline_get_slot_value => sub { |
90
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1
|
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109
|
my ($meta, $instance, $slot_name) = @_; |
91
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1
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4
|
$meta->inline_slot_access($instance, $slot_name); |
92
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1
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106
|
}; |
93
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94
|
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|
|
override inline_set_slot_value => sub { |
95
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2
|
|
|
|
|
4161
|
my ($meta, $instance, $slot_name, $value) = @_; |
96
|
2
|
|
|
|
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20
|
qq{ '$ACCESSORS'->store($instance, '$slot_name', $value) } |
97
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1
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|
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104
|
}; |
98
|
|
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|
99
|
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|
|
override inline_deinitialize_slot => sub { |
100
|
0
|
|
|
|
|
0
|
my ($meta, $instance, $slot_name) = @_; |
101
|
0
|
|
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0
|
qq{ '$ACCESSORS'->delete($instance, '$slot_name') } |
102
|
1
|
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|
|
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105
|
}; |
103
|
|
|
|
|
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|
|
104
|
|
|
|
|
|
|
override inline_is_slot_initialized => sub { |
105
|
0
|
|
|
|
|
0
|
my ($meta, $instance, $slot_name) = @_; |
106
|
0
|
|
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|
|
0
|
qq{ '$ACCESSORS'->exists($instance, '$slot_name') } |
107
|
1
|
|
|
|
|
110
|
}; |
108
|
|
|
|
|
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|
|
109
|
|
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|
|
override inline_weaken_slot_value => sub { |
110
|
0
|
|
|
|
|
0
|
my ($meta, $instance, $slot_name) = @_; |
111
|
0
|
|
|
|
|
0
|
my $class = $meta->associated_metaclass; |
112
|
0
|
|
|
|
|
0
|
confess "$class is implemented using Acme::MooseX::JSON, so cannot store weakened references."; |
113
|
1
|
|
|
|
|
106
|
}; |
114
|
|
|
|
|
|
|
}; |
115
|
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116
|
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|
|
Moose::Exporter->setup_import_methods( |
117
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|
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|
|
also => [qw( Moose )], |
118
|
|
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|
|
); |
119
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120
|
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|
|
sub init_meta |
121
|
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|
{ |
122
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1
|
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1
|
1
|
159
|
shift; |
123
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1
|
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|
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4
|
my %p = @_; |
124
|
1
|
|
|
|
|
8
|
Moose->init_meta(%p); |
125
|
1
|
|
|
|
|
5102
|
Moose::Util::MetaRole::apply_metaroles( |
126
|
|
|
|
|
|
|
for => $p{for_class}, |
127
|
|
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|
|
class_metaroles => { |
128
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|
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|
|
instance => [qw( Acme::MooseX::JSON::Trait::Instance )], |
129
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|
|
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|
|
class => [qw( Acme::MooseX::JSON::Trait::Class )], |
130
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|
|
}, |
131
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|
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|
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|
|
); |
132
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|
|
} |
133
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134
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|
1; |
135
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136
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|
__END__ |
137
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138
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|
=head1 NAME |
139
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|
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|
140
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|
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|
|
|
|
Acme::MooseX::JSON - Moose objects that are internally blessed scalar refs containing JSON |
141
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|
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142
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|
|
=head1 SYNOPSIS |
143
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|
144
|
|
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|
|
{ |
145
|
|
|
|
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|
|
package Local::Person; |
146
|
|
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|
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|
|
use Acme::MooseX::JSON; |
147
|
|
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|
|
|
|
has name => (is => 'rw', isa => 'Str'); |
148
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|
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|
|
|
|
} |
149
|
|
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150
|
|
|
|
|
|
|
my $object = Local::Person->new(name => "Bob"); |
151
|
|
|
|
|
|
|
print $$object; # JSON |
152
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|
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153
|
|
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|
|
|
|
=head1 DESCRIPTION |
154
|
|
|
|
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|
|
|
155
|
|
|
|
|
|
|
This L<Moose> extension is akin to L<MooseX::InsideOut>, L<MooseX::GlobRef> |
156
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|
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|
|
|
|
and L<MooseX::ArrayRef> in that it allows you to create Moose classes where |
157
|
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|
|
|
|
the instances aren't blessed hashes. |
158
|
|
|
|
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159
|
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|
|
However, unlike those fine modules, Acme::MooseX::JSON chooses just about |
160
|
|
|
|
|
|
|
the most insane way of implementing an instance's internals possible: they're |
161
|
|
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|
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|
|
serialized as a JSON string, which is then used as a blessed scalar reference. |
162
|
|
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|
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163
|
|
|
|
|
|
|
The use of JSON to serialize the object's internals places fairly strong |
164
|
|
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|
|
|
|
restrictions on what kind of data can be held in the object's attributes. |
165
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|
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|
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|
|
Strings, numbers and undef are all OK; arrayrefs and hashrefs are OK |
166
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|
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|
|
provided you don't create cyclical data structures, and provided they |
167
|
|
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|
|
don't contain any non-OK data as values. |
168
|
|
|
|
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169
|
|
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|
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|
|
This module requires L<JSON> 2.00+ and L<Moose> 2.00+ to be installed. |
170
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|
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171
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=begin private |
172
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|
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173
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|
|
=item init_meta |
174
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175
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|
=end private |
176
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177
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|
|
=head1 BUGS |
178
|
|
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|
179
|
|
|
|
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|
|
Please report any bugs to |
180
|
|
|
|
|
|
|
L<http://rt.cpan.org/Dist/Display.html?Queue=Scalar-Accessors-LikeHash>. |
181
|
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182
|
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|
|
=head1 SEE ALSO |
183
|
|
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184
|
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|
|
L<Scalar::Accessors::LikeHash>, L<JSON>, L<Moose>. |
185
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|
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186
|
|
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|
|
L<MooseX::InsideOut>, L<MooseX::GlobRef>, L<MooseX::ArrayRef>. |
187
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188
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|
=head1 AUTHOR |
189
|
|
|
|
|
|
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|
190
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|
|
Toby Inkster E<lt>tobyink@cpan.orgE<gt>. |
191
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192
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|
=head1 COPYRIGHT AND LICENCE |
193
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194
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|
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|
|
This software is copyright (c) 2013 by Toby Inkster. |
195
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196
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|
|
This is free software; you can redistribute it and/or modify it under |
197
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|
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|
|
the same terms as the Perl 5 programming language system itself. |
198
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199
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|
|
=head1 DISCLAIMER OF WARRANTIES |
200
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|
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201
|
|
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|
|
THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED |
202
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|
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|
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|
|
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
203
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|
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|
|
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
204
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