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package Data::Object::Cast; |
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41807
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use 5.014; |
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use strict; |
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use warnings; |
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use Data::Object::Space; |
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11246
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use Scalar::Util qw( |
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blessed |
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looks_like_number |
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reftype |
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); |
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our $To = 'Data::Object'; |
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our $VERSION = '0.01'; # VERSION |
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# FUNCTIONS |
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sub Deduce { |
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167265
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my ($data) = @_; |
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82
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100
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return TypeUndef($data) if not(defined($data)); |
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return DeduceBlessed($data) if blessed($data); |
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return DeduceDefined($data); |
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} |
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sub DeduceDefined { |
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38
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66
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my ($data) = @_; |
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33
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100
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107
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return DeduceReferences($data) if ref($data); |
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return DeduceNumberlike($data) if looks_like_number($data); |
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10
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return DeduceStringLike($data); |
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} |
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sub DeduceBlessed { |
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69
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my ($data) = @_; |
40
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41
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100
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return TypeRegexp($data) if $data->isa('Regexp'); |
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return $data; |
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} |
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45
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sub DeduceReferences { |
46
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17
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17
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0
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29
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my ($data) = @_; |
47
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48
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17
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100
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54
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return TypeArray($data) if 'ARRAY' eq ref $data; |
49
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12
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100
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41
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return TypeCode($data) if 'CODE' eq ref $data; |
50
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9
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100
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31
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return TypeHash($data) if 'HASH' eq ref $data; |
51
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4
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14
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return TypeScalar($data); # glob, etc |
52
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} |
53
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54
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sub DeduceNumberlike { |
55
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18
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18
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0
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30
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my ($data) = @_; |
56
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57
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18
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100
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79
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return TypeFloat($data) if $data =~ /\./; |
58
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15
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31
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return TypeNumber($data); |
59
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} |
60
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61
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sub DeduceStringLike { |
62
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3
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3
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0
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10
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my ($data) = @_; |
63
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64
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3
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8
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return TypeString($data); |
65
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} |
66
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67
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sub DeduceDeep { |
68
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4
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4
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1
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29081
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my @data = map Deduce($_), @_; |
69
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70
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4
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42
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for my $data (@data) { |
71
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4
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10
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my $type = TypeName($data); |
72
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73
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4
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100
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66
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24
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if ($type and $type eq 'HASH') { |
74
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2
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10
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for my $i (keys %$data) { |
75
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4
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20
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my $val = $data->{$i}; |
76
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4
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50
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13
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$data->{$i} = ref($val) ? DeduceDeep($val) : Deduce($val); |
77
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} |
78
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} |
79
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4
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100
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66
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30
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if ($type and $type eq 'ARRAY') { |
80
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2
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7
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for (my $i = 0; $i < @$data; $i++) { |
81
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8
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49
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my $val = $data->[$i]; |
82
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8
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50
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19
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$data->[$i] = ref($val) ? DeduceDeep($val) : Deduce($val); |
83
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} |
84
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} |
85
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} |
86
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87
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4
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100
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42
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return wantarray ? (@data) : $data[0]; |
88
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} |
89
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90
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sub Detract { |
91
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17
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17
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1
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92
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my ($data) = (Deduce($_[0])); |
92
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17
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35
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my $type = TypeName($data); |
93
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94
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18
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50
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39
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INSPECT: |
95
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return $data unless $type; |
96
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97
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18
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100
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48
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return [@$data] if $type eq 'ARRAY'; |
98
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16
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100
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60
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return {%$data} if $type eq 'HASH'; |
99
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14
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50
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30
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return $$data if $type eq 'BOOLEAN'; |
100
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14
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100
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34
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return $$data if $type eq 'REGEXP'; |
101
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13
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100
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31
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return $$data if $type eq 'FLOAT'; |
102
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12
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100
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42
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return $$data if $type eq 'NUMBER'; |
103
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5
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100
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18
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return $$data if $type eq 'STRING'; |
104
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4
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100
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18
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return undef if $type eq 'UNDEF'; |
105
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106
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3
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100
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66
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17
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if ($type eq 'ANY' or $type eq 'SCALAR') { |
107
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2
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50
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10
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$type = reftype($data) // ''; |
108
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109
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2
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50
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6
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return [@$data] if $type eq 'ARRAY'; |
110
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2
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50
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5
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return {%$data} if $type eq 'HASH'; |
111
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2
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50
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4
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return $$data if $type eq 'BOOLEAN'; |
112
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2
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50
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6
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return $$data if $type eq 'FLOAT'; |
113
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2
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50
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6
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return $$data if $type eq 'NUMBER'; |
114
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2
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50
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5
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return $$data if $type eq 'REGEXP'; |
115
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2
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100
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15
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return $data if $type eq 'SCALAR'; |
116
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1
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50
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4
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return $$data if $type eq 'STRING'; |
117
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1
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50
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3
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return undef if $type eq 'UNDEF'; |
118
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119
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1
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50
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5
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if ($type eq 'REF') { |
120
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1
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50
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3
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$type = TypeName($data = $$data) and goto INSPECT; |
121
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} |
122
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} |
123
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124
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1
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50
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5
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if ($type eq 'CODE') { |
125
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1
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1
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12
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return sub { goto $data }; |
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1
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1749
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126
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} |
127
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128
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0
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0
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return undef; |
129
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} |
130
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131
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sub DetractDeep { |
132
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8
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8
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1
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19
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my @data = map Detract($_), @_; |
133
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134
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8
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16
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for my $data (@data) { |
135
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8
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100
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66
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30
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if ($data and 'HASH' eq ref $data) { |
136
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1
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5
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for my $i (keys %$data) { |
137
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2
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5
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my $val = $data->{$i}; |
138
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2
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50
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10
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$data->{$i} = ref($val) ? DetractDeep($val) : Detract($val); |
139
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} |
140
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} |
141
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8
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100
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66
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27
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if ($data and 'ARRAY' eq ref $data) { |
142
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1
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6
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for (my $i = 0; $i < @$data; $i++) { |
143
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4
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5
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my $val = $data->[$i]; |
144
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4
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50
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16
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$data->[$i] = ref($val) ? DetractDeep($val) : Detract($val); |
145
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} |
146
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} |
147
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} |
148
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149
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8
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50
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44
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return wantarray ? (@data) : $data[0]; |
150
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} |
151
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152
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sub TypeName { |
153
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31
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31
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1
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68584
|
my ($data) = (Deduce($_[0])); |
154
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155
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31
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100
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210
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return "ARRAY" if $data->isa("${To}::Array"); |
156
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26
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50
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103
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return "BOOLEAN" if $data->isa("${To}::Boolean"); |
157
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26
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100
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102
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return "HASH" if $data->isa("${To}::Hash"); |
158
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21
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100
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74
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return "CODE" if $data->isa("${To}::Code"); |
159
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19
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100
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70
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return "FLOAT" if $data->isa("${To}::Float"); |
160
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17
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100
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68
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return "NUMBER" if $data->isa("${To}::Number"); |
161
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9
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100
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42
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return "STRING" if $data->isa("${To}::String"); |
162
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7
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100
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45
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return "SCALAR" if $data->isa("${To}::Scalar"); |
163
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4
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100
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25
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return "REGEXP" if $data->isa("${To}::Regexp"); |
164
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2
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50
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21
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return "UNDEF" if $data->isa("${To}::Undef"); |
165
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166
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0
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0
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return undef; |
167
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} |
168
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169
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sub TypeArray { |
170
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5
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5
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0
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14
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my $class = "${To}::Array"; |
171
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5
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24
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my $space = Data::Object::Space->new($class); |
172
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5
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55
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my $point = $space->load->can('new'); |
173
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174
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5
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50
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245
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unshift @_, $class and goto $point; |
175
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} |
176
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177
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sub TypeCode { |
178
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3
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3
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0
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10
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my $class = "${To}::Code"; |
179
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3
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13
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my $space = Data::Object::Space->new($class); |
180
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3
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34
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my $point = $space->load->can('new'); |
181
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182
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3
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50
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155
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unshift @_, $class and goto $point; |
183
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} |
184
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185
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sub TypeFloat { |
186
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3
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3
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0
|
9
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my $class = "${To}::Float"; |
187
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3
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13
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my $space = Data::Object::Space->new($class); |
188
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3
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31
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my $point = $space->load->can('new'); |
189
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190
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3
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50
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138
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unshift @_, $class and goto $point; |
191
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} |
192
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193
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sub TypeHash { |
194
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5
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5
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0
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14
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my $class = "${To}::Hash"; |
195
|
5
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28
|
my $space = Data::Object::Space->new($class); |
196
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5
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53
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my $point = $space->load->can('new'); |
197
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|
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198
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5
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50
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214
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unshift @_, $class and goto $point; |
199
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|
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} |
200
|
|
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201
|
|
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sub TypeNumber { |
202
|
15
|
|
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15
|
0
|
34
|
my $class = "${To}::Number"; |
203
|
15
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44
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my $space = Data::Object::Space->new($class); |
204
|
15
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131
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my $point = $space->load->can('new'); |
205
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206
|
15
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50
|
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476
|
unshift @_, $class and goto $point; |
207
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|
} |
208
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209
|
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sub TypeRegexp { |
210
|
3
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|
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3
|
0
|
10
|
my $class = "${To}::Regexp"; |
211
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3
|
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|
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13
|
my $space = Data::Object::Space->new($class); |
212
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3
|
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|
|
34
|
my $point = $space->load->can('new'); |
213
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214
|
3
|
50
|
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|
170
|
unshift @_, $class and goto $point; |
215
|
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|
} |
216
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217
|
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|
sub TypeScalar { |
218
|
4
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|
4
|
0
|
14
|
my $class = "${To}::Scalar"; |
219
|
4
|
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|
|
14
|
my $space = Data::Object::Space->new($class); |
220
|
4
|
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|
|
|
40
|
my $point = $space->load->can('new'); |
221
|
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|
222
|
4
|
50
|
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|
168
|
unshift @_, $class and goto $point; |
223
|
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|
} |
224
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225
|
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|
sub TypeString { |
226
|
3
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3
|
0
|
9
|
my $class = "${To}::String"; |
227
|
3
|
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|
|
11
|
my $space = Data::Object::Space->new($class); |
228
|
3
|
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|
32
|
my $point = $space->load->can('new'); |
229
|
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230
|
3
|
50
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|
134
|
unshift @_, $class and goto $point; |
231
|
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|
} |
232
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233
|
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|
sub TypeUndef { |
234
|
3
|
|
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3
|
0
|
11
|
my $class = "${To}::Undef"; |
235
|
3
|
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|
|
|
13
|
my $space = Data::Object::Space->new($class); |
236
|
3
|
|
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|
|
33
|
my $point = $space->load->can('new'); |
237
|
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|
238
|
3
|
50
|
|
|
|
131
|
unshift @_, $class and goto $point; |
239
|
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|
} |
240
|
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241
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1; |
242
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243
|
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|
|
=encoding utf8 |
244
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245
|
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|
|
=head1 NAME |
246
|
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|
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247
|
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|
|
Data::Object::Cast |
248
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|
249
|
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|
|
=cut |
250
|
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|
251
|
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|
|
=head1 ABSTRACT |
252
|
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|
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|
|
|
253
|
|
|
|
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|
|
Data Type Casting for Perl 5 |
254
|
|
|
|
|
|
|
|
255
|
|
|
|
|
|
|
=cut |
256
|
|
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|
|
|
|
|
257
|
|
|
|
|
|
|
=head1 SYNOPSIS |
258
|
|
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|
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|
|
259
|
|
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|
|
package main; |
260
|
|
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|
|
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|
|
261
|
|
|
|
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|
|
use Data::Object::Cast; |
262
|
|
|
|
|
|
|
|
263
|
|
|
|
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|
|
local $Data::Object::Cast::To = 'Test::Object'; |
264
|
|
|
|
|
|
|
|
265
|
|
|
|
|
|
|
# Data::Object::Cast::Deduce([1..4]); # Test::Object::Array |
266
|
|
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|
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|
|
267
|
|
|
|
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|
|
=cut |
268
|
|
|
|
|
|
|
|
269
|
|
|
|
|
|
|
=head1 DESCRIPTION |
270
|
|
|
|
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|
|
|
271
|
|
|
|
|
|
|
This package provides functions for casting native data types to objects and |
272
|
|
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|
|
|
|
the reverse. |
273
|
|
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|
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|
|
274
|
|
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|
|
=cut |
275
|
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|
|
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|
|
276
|
|
|
|
|
|
|
=head1 LIBRARIES |
277
|
|
|
|
|
|
|
|
278
|
|
|
|
|
|
|
This package uses type constraints from: |
279
|
|
|
|
|
|
|
|
280
|
|
|
|
|
|
|
L<Types::Standard> |
281
|
|
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|
|
|
|
|
282
|
|
|
|
|
|
|
=cut |
283
|
|
|
|
|
|
|
|
284
|
|
|
|
|
|
|
=head1 FUNCTIONS |
285
|
|
|
|
|
|
|
|
286
|
|
|
|
|
|
|
This package implements the following functions: |
287
|
|
|
|
|
|
|
|
288
|
|
|
|
|
|
|
=cut |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
=head2 deduce |
291
|
|
|
|
|
|
|
|
292
|
|
|
|
|
|
|
Deduce(Any $value) : Object |
293
|
|
|
|
|
|
|
|
294
|
|
|
|
|
|
|
The Deduce function returns the argument as a data type object. |
295
|
|
|
|
|
|
|
|
296
|
|
|
|
|
|
|
=over 4 |
297
|
|
|
|
|
|
|
|
298
|
|
|
|
|
|
|
=item Deduce example #1 |
299
|
|
|
|
|
|
|
|
300
|
|
|
|
|
|
|
# given: synopsis |
301
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
Data::Object::Cast::Deduce([1..4]) |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
# $array |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
=back |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
=over 4 |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
=item Deduce example #2 |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
# given: synopsis |
313
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
Data::Object::Cast::Deduce(sub { shift }) |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
# $code |
317
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
=back |
319
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
=over 4 |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
=item Deduce example #3 |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
# given: synopsis |
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
Data::Object::Cast::Deduce(1.23) |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
# $float |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
=back |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
=over 4 |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
=item Deduce example #4 |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
# given: synopsis |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
Data::Object::Cast::Deduce({1..4}) |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
# $hash |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
=back |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
=over 4 |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
=item Deduce example #5 |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
# given: synopsis |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
Data::Object::Cast::Deduce(123) |
351
|
|
|
|
|
|
|
|
352
|
|
|
|
|
|
|
# $number |
353
|
|
|
|
|
|
|
|
354
|
|
|
|
|
|
|
=back |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
=over 4 |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
=item Deduce example #6 |
359
|
|
|
|
|
|
|
|
360
|
|
|
|
|
|
|
# given: synopsis |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
Data::Object::Cast::Deduce(qr/.*/) |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
# $regexp |
365
|
|
|
|
|
|
|
|
366
|
|
|
|
|
|
|
=back |
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
=over 4 |
369
|
|
|
|
|
|
|
|
370
|
|
|
|
|
|
|
=item Deduce example #7 |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
# given: synopsis |
373
|
|
|
|
|
|
|
|
374
|
|
|
|
|
|
|
Data::Object::Cast::Deduce(\'abc') |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
# $scalar |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
=back |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
=over 4 |
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
=item Deduce example #8 |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
# given: synopsis |
385
|
|
|
|
|
|
|
|
386
|
|
|
|
|
|
|
Data::Object::Cast::Deduce('abc') |
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
# $string |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
=back |
391
|
|
|
|
|
|
|
|
392
|
|
|
|
|
|
|
=over 4 |
393
|
|
|
|
|
|
|
|
394
|
|
|
|
|
|
|
=item Deduce example #9 |
395
|
|
|
|
|
|
|
|
396
|
|
|
|
|
|
|
# given: synopsis |
397
|
|
|
|
|
|
|
|
398
|
|
|
|
|
|
|
Data::Object::Cast::Deduce(undef) |
399
|
|
|
|
|
|
|
|
400
|
|
|
|
|
|
|
# $undef |
401
|
|
|
|
|
|
|
|
402
|
|
|
|
|
|
|
=back |
403
|
|
|
|
|
|
|
|
404
|
|
|
|
|
|
|
=cut |
405
|
|
|
|
|
|
|
|
406
|
|
|
|
|
|
|
=head2 deducedeep |
407
|
|
|
|
|
|
|
|
408
|
|
|
|
|
|
|
DeduceDeep(Any @args) : (Object) |
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
The DeduceDeep function returns any arguments as data type objects, including |
411
|
|
|
|
|
|
|
nested data. |
412
|
|
|
|
|
|
|
|
413
|
|
|
|
|
|
|
=over 4 |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
=item DeduceDeep example #1 |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
# given: synopsis |
418
|
|
|
|
|
|
|
|
419
|
|
|
|
|
|
|
Data::Object::Cast::DeduceDeep([1..4]) |
420
|
|
|
|
|
|
|
|
421
|
|
|
|
|
|
|
# $array <$number> |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
=back |
424
|
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
=over 4 |
426
|
|
|
|
|
|
|
|
427
|
|
|
|
|
|
|
=item DeduceDeep example #2 |
428
|
|
|
|
|
|
|
|
429
|
|
|
|
|
|
|
# given: synopsis |
430
|
|
|
|
|
|
|
|
431
|
|
|
|
|
|
|
Data::Object::Cast::DeduceDeep({1..4}) |
432
|
|
|
|
|
|
|
|
433
|
|
|
|
|
|
|
# $hash <$number> |
434
|
|
|
|
|
|
|
|
435
|
|
|
|
|
|
|
=back |
436
|
|
|
|
|
|
|
|
437
|
|
|
|
|
|
|
=cut |
438
|
|
|
|
|
|
|
|
439
|
|
|
|
|
|
|
=head2 detract |
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
Detract(Any $value) : Any |
442
|
|
|
|
|
|
|
|
443
|
|
|
|
|
|
|
The Detract function returns the argument as native Perl data type value. |
444
|
|
|
|
|
|
|
|
445
|
|
|
|
|
|
|
=over 4 |
446
|
|
|
|
|
|
|
|
447
|
|
|
|
|
|
|
=item Detract example #1 |
448
|
|
|
|
|
|
|
|
449
|
|
|
|
|
|
|
# given: synopsis |
450
|
|
|
|
|
|
|
|
451
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
452
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
453
|
|
|
|
|
|
|
[1..4] |
454
|
|
|
|
|
|
|
) |
455
|
|
|
|
|
|
|
) |
456
|
|
|
|
|
|
|
|
457
|
|
|
|
|
|
|
# $arrayref |
458
|
|
|
|
|
|
|
|
459
|
|
|
|
|
|
|
=back |
460
|
|
|
|
|
|
|
|
461
|
|
|
|
|
|
|
=over 4 |
462
|
|
|
|
|
|
|
|
463
|
|
|
|
|
|
|
=item Detract example #2 |
464
|
|
|
|
|
|
|
|
465
|
|
|
|
|
|
|
# given: synopsis |
466
|
|
|
|
|
|
|
|
467
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
468
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
469
|
|
|
|
|
|
|
sub { shift } |
470
|
|
|
|
|
|
|
) |
471
|
|
|
|
|
|
|
) |
472
|
|
|
|
|
|
|
|
473
|
|
|
|
|
|
|
# $coderef |
474
|
|
|
|
|
|
|
|
475
|
|
|
|
|
|
|
=back |
476
|
|
|
|
|
|
|
|
477
|
|
|
|
|
|
|
=over 4 |
478
|
|
|
|
|
|
|
|
479
|
|
|
|
|
|
|
=item Detract example #3 |
480
|
|
|
|
|
|
|
|
481
|
|
|
|
|
|
|
# given: synopsis |
482
|
|
|
|
|
|
|
|
483
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
484
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
485
|
|
|
|
|
|
|
1.23 |
486
|
|
|
|
|
|
|
) |
487
|
|
|
|
|
|
|
) |
488
|
|
|
|
|
|
|
|
489
|
|
|
|
|
|
|
# $number |
490
|
|
|
|
|
|
|
|
491
|
|
|
|
|
|
|
=back |
492
|
|
|
|
|
|
|
|
493
|
|
|
|
|
|
|
=over 4 |
494
|
|
|
|
|
|
|
|
495
|
|
|
|
|
|
|
=item Detract example #4 |
496
|
|
|
|
|
|
|
|
497
|
|
|
|
|
|
|
# given: synopsis |
498
|
|
|
|
|
|
|
|
499
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
500
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
501
|
|
|
|
|
|
|
{1..4} |
502
|
|
|
|
|
|
|
) |
503
|
|
|
|
|
|
|
) |
504
|
|
|
|
|
|
|
|
505
|
|
|
|
|
|
|
# $hashref |
506
|
|
|
|
|
|
|
|
507
|
|
|
|
|
|
|
=back |
508
|
|
|
|
|
|
|
|
509
|
|
|
|
|
|
|
=over 4 |
510
|
|
|
|
|
|
|
|
511
|
|
|
|
|
|
|
=item Detract example #5 |
512
|
|
|
|
|
|
|
|
513
|
|
|
|
|
|
|
# given: synopsis |
514
|
|
|
|
|
|
|
|
515
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
516
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
517
|
|
|
|
|
|
|
123 |
518
|
|
|
|
|
|
|
) |
519
|
|
|
|
|
|
|
) |
520
|
|
|
|
|
|
|
|
521
|
|
|
|
|
|
|
# $number |
522
|
|
|
|
|
|
|
|
523
|
|
|
|
|
|
|
=back |
524
|
|
|
|
|
|
|
|
525
|
|
|
|
|
|
|
=over 4 |
526
|
|
|
|
|
|
|
|
527
|
|
|
|
|
|
|
=item Detract example #6 |
528
|
|
|
|
|
|
|
|
529
|
|
|
|
|
|
|
# given: synopsis |
530
|
|
|
|
|
|
|
|
531
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
532
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
533
|
|
|
|
|
|
|
qr/.*/ |
534
|
|
|
|
|
|
|
) |
535
|
|
|
|
|
|
|
) |
536
|
|
|
|
|
|
|
|
537
|
|
|
|
|
|
|
# $regexp |
538
|
|
|
|
|
|
|
|
539
|
|
|
|
|
|
|
=back |
540
|
|
|
|
|
|
|
|
541
|
|
|
|
|
|
|
=over 4 |
542
|
|
|
|
|
|
|
|
543
|
|
|
|
|
|
|
=item Detract example #7 |
544
|
|
|
|
|
|
|
|
545
|
|
|
|
|
|
|
# given: synopsis |
546
|
|
|
|
|
|
|
|
547
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
548
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
549
|
|
|
|
|
|
|
\'abc' |
550
|
|
|
|
|
|
|
) |
551
|
|
|
|
|
|
|
) |
552
|
|
|
|
|
|
|
|
553
|
|
|
|
|
|
|
# $scalarref |
554
|
|
|
|
|
|
|
|
555
|
|
|
|
|
|
|
=back |
556
|
|
|
|
|
|
|
|
557
|
|
|
|
|
|
|
=over 4 |
558
|
|
|
|
|
|
|
|
559
|
|
|
|
|
|
|
=item Detract example #8 |
560
|
|
|
|
|
|
|
|
561
|
|
|
|
|
|
|
# given: synopsis |
562
|
|
|
|
|
|
|
|
563
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
564
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
565
|
|
|
|
|
|
|
'abc' |
566
|
|
|
|
|
|
|
) |
567
|
|
|
|
|
|
|
) |
568
|
|
|
|
|
|
|
|
569
|
|
|
|
|
|
|
# $string |
570
|
|
|
|
|
|
|
|
571
|
|
|
|
|
|
|
=back |
572
|
|
|
|
|
|
|
|
573
|
|
|
|
|
|
|
=over 4 |
574
|
|
|
|
|
|
|
|
575
|
|
|
|
|
|
|
=item Detract example #9 |
576
|
|
|
|
|
|
|
|
577
|
|
|
|
|
|
|
# given: synopsis |
578
|
|
|
|
|
|
|
|
579
|
|
|
|
|
|
|
Data::Object::Cast::Detract( |
580
|
|
|
|
|
|
|
Data::Object::Cast::Deduce( |
581
|
|
|
|
|
|
|
undef |
582
|
|
|
|
|
|
|
) |
583
|
|
|
|
|
|
|
) |
584
|
|
|
|
|
|
|
|
585
|
|
|
|
|
|
|
# $undef |
586
|
|
|
|
|
|
|
|
587
|
|
|
|
|
|
|
=back |
588
|
|
|
|
|
|
|
|
589
|
|
|
|
|
|
|
=cut |
590
|
|
|
|
|
|
|
|
591
|
|
|
|
|
|
|
=head2 detractdeep |
592
|
|
|
|
|
|
|
|
593
|
|
|
|
|
|
|
DetractDeep(Any @args) : (Any) |
594
|
|
|
|
|
|
|
|
595
|
|
|
|
|
|
|
The DetractDeep function returns any arguments as native Perl data type values, |
596
|
|
|
|
|
|
|
including nested data. |
597
|
|
|
|
|
|
|
|
598
|
|
|
|
|
|
|
=over 4 |
599
|
|
|
|
|
|
|
|
600
|
|
|
|
|
|
|
=item DetractDeep example #1 |
601
|
|
|
|
|
|
|
|
602
|
|
|
|
|
|
|
# given: synopsis |
603
|
|
|
|
|
|
|
|
604
|
|
|
|
|
|
|
Data::Object::Cast::DetractDeep( |
605
|
|
|
|
|
|
|
Data::Object::Cast::DeduceDeep( |
606
|
|
|
|
|
|
|
[1..4] |
607
|
|
|
|
|
|
|
) |
608
|
|
|
|
|
|
|
) |
609
|
|
|
|
|
|
|
|
610
|
|
|
|
|
|
|
=back |
611
|
|
|
|
|
|
|
|
612
|
|
|
|
|
|
|
=over 4 |
613
|
|
|
|
|
|
|
|
614
|
|
|
|
|
|
|
=item DetractDeep example #2 |
615
|
|
|
|
|
|
|
|
616
|
|
|
|
|
|
|
# given: synopsis |
617
|
|
|
|
|
|
|
|
618
|
|
|
|
|
|
|
Data::Object::Cast::DetractDeep( |
619
|
|
|
|
|
|
|
Data::Object::Cast::DeduceDeep( |
620
|
|
|
|
|
|
|
{1..4} |
621
|
|
|
|
|
|
|
) |
622
|
|
|
|
|
|
|
) |
623
|
|
|
|
|
|
|
|
624
|
|
|
|
|
|
|
=back |
625
|
|
|
|
|
|
|
|
626
|
|
|
|
|
|
|
=cut |
627
|
|
|
|
|
|
|
|
628
|
|
|
|
|
|
|
=head2 typename |
629
|
|
|
|
|
|
|
|
630
|
|
|
|
|
|
|
TypeName(Any $value) : Maybe[Str] |
631
|
|
|
|
|
|
|
|
632
|
|
|
|
|
|
|
The TypeName function returns the name of the value's data type. |
633
|
|
|
|
|
|
|
|
634
|
|
|
|
|
|
|
=over 4 |
635
|
|
|
|
|
|
|
|
636
|
|
|
|
|
|
|
=item TypeName example #1 |
637
|
|
|
|
|
|
|
|
638
|
|
|
|
|
|
|
# given: synopsis |
639
|
|
|
|
|
|
|
|
640
|
|
|
|
|
|
|
Data::Object::Cast::TypeName([1..4]) |
641
|
|
|
|
|
|
|
|
642
|
|
|
|
|
|
|
# 'ARRAY' |
643
|
|
|
|
|
|
|
|
644
|
|
|
|
|
|
|
=back |
645
|
|
|
|
|
|
|
|
646
|
|
|
|
|
|
|
=over 4 |
647
|
|
|
|
|
|
|
|
648
|
|
|
|
|
|
|
=item TypeName example #2 |
649
|
|
|
|
|
|
|
|
650
|
|
|
|
|
|
|
# given: synopsis |
651
|
|
|
|
|
|
|
|
652
|
|
|
|
|
|
|
Data::Object::Cast::TypeName(sub { shift }) |
653
|
|
|
|
|
|
|
|
654
|
|
|
|
|
|
|
# 'CODE' |
655
|
|
|
|
|
|
|
|
656
|
|
|
|
|
|
|
=back |
657
|
|
|
|
|
|
|
|
658
|
|
|
|
|
|
|
=over 4 |
659
|
|
|
|
|
|
|
|
660
|
|
|
|
|
|
|
=item TypeName example #3 |
661
|
|
|
|
|
|
|
|
662
|
|
|
|
|
|
|
# given: synopsis |
663
|
|
|
|
|
|
|
|
664
|
|
|
|
|
|
|
Data::Object::Cast::TypeName(1.23) |
665
|
|
|
|
|
|
|
|
666
|
|
|
|
|
|
|
# 'FLOAT' |
667
|
|
|
|
|
|
|
|
668
|
|
|
|
|
|
|
=back |
669
|
|
|
|
|
|
|
|
670
|
|
|
|
|
|
|
=over 4 |
671
|
|
|
|
|
|
|
|
672
|
|
|
|
|
|
|
=item TypeName example #4 |
673
|
|
|
|
|
|
|
|
674
|
|
|
|
|
|
|
# given: synopsis |
675
|
|
|
|
|
|
|
|
676
|
|
|
|
|
|
|
Data::Object::Cast::TypeName({1..4}) |
677
|
|
|
|
|
|
|
|
678
|
|
|
|
|
|
|
# 'HASH' |
679
|
|
|
|
|
|
|
|
680
|
|
|
|
|
|
|
=back |
681
|
|
|
|
|
|
|
|
682
|
|
|
|
|
|
|
=over 4 |
683
|
|
|
|
|
|
|
|
684
|
|
|
|
|
|
|
=item TypeName example #5 |
685
|
|
|
|
|
|
|
|
686
|
|
|
|
|
|
|
# given: synopsis |
687
|
|
|
|
|
|
|
|
688
|
|
|
|
|
|
|
Data::Object::Cast::TypeName(123) |
689
|
|
|
|
|
|
|
|
690
|
|
|
|
|
|
|
# 'NUMBER' |
691
|
|
|
|
|
|
|
|
692
|
|
|
|
|
|
|
=back |
693
|
|
|
|
|
|
|
|
694
|
|
|
|
|
|
|
=over 4 |
695
|
|
|
|
|
|
|
|
696
|
|
|
|
|
|
|
=item TypeName example #6 |
697
|
|
|
|
|
|
|
|
698
|
|
|
|
|
|
|
# given: synopsis |
699
|
|
|
|
|
|
|
|
700
|
|
|
|
|
|
|
Data::Object::Cast::TypeName(qr/.*/) |
701
|
|
|
|
|
|
|
|
702
|
|
|
|
|
|
|
# 'REGEXP' |
703
|
|
|
|
|
|
|
|
704
|
|
|
|
|
|
|
=back |
705
|
|
|
|
|
|
|
|
706
|
|
|
|
|
|
|
=over 4 |
707
|
|
|
|
|
|
|
|
708
|
|
|
|
|
|
|
=item TypeName example #7 |
709
|
|
|
|
|
|
|
|
710
|
|
|
|
|
|
|
# given: synopsis |
711
|
|
|
|
|
|
|
|
712
|
|
|
|
|
|
|
Data::Object::Cast::TypeName(\'abc') |
713
|
|
|
|
|
|
|
|
714
|
|
|
|
|
|
|
# 'STRING' |
715
|
|
|
|
|
|
|
|
716
|
|
|
|
|
|
|
=back |
717
|
|
|
|
|
|
|
|
718
|
|
|
|
|
|
|
=over 4 |
719
|
|
|
|
|
|
|
|
720
|
|
|
|
|
|
|
=item TypeName example #8 |
721
|
|
|
|
|
|
|
|
722
|
|
|
|
|
|
|
# given: synopsis |
723
|
|
|
|
|
|
|
|
724
|
|
|
|
|
|
|
Data::Object::Cast::TypeName('abc') |
725
|
|
|
|
|
|
|
|
726
|
|
|
|
|
|
|
# 'STRING' |
727
|
|
|
|
|
|
|
|
728
|
|
|
|
|
|
|
=back |
729
|
|
|
|
|
|
|
|
730
|
|
|
|
|
|
|
=over 4 |
731
|
|
|
|
|
|
|
|
732
|
|
|
|
|
|
|
=item TypeName example #9 |
733
|
|
|
|
|
|
|
|
734
|
|
|
|
|
|
|
# given: synopsis |
735
|
|
|
|
|
|
|
|
736
|
|
|
|
|
|
|
Data::Object::Cast::TypeName(undef) |
737
|
|
|
|
|
|
|
|
738
|
|
|
|
|
|
|
# 'UNDEF' |
739
|
|
|
|
|
|
|
|
740
|
|
|
|
|
|
|
=back |
741
|
|
|
|
|
|
|
|
742
|
|
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|
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=cut |
743
|
|
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744
|
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|
=head1 AUTHOR |
745
|
|
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|
|
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746
|
|
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|
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|
|
Al Newkirk, C<awncorp@cpan.org> |
747
|
|
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|
748
|
|
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|
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|
|
=head1 LICENSE |
749
|
|
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|
750
|
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|
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|
Copyright (C) 2011-2019, Al Newkirk, et al. |
751
|
|
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752
|
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|
This is free software; you can redistribute it and/or modify it under the terms |
753
|
|
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|
|
|
|
of the The Apache License, Version 2.0, as elucidated in the L<"license |
754
|
|
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|
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|
|
file"|https://github.com/iamalnewkirk/foobar/blob/master/LICENSE>. |
755
|
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756
|
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|
=head1 PROJECT |
757
|
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758
|
|
|
|
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|
L<Wiki|https://github.com/iamalnewkirk/foobar/wiki> |
759
|
|
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|
|
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|
|
760
|
|
|
|
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|
|
L<Project|https://github.com/iamalnewkirk/foobar> |
761
|
|
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|
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|
762
|
|
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|
|
L<Initiatives|https://github.com/iamalnewkirk/foobar/projects> |
763
|
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|
764
|
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|
|
L<Milestones|https://github.com/iamalnewkirk/foobar/milestones> |
765
|
|
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|
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|
766
|
|
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L<Contributing|https://github.com/iamalnewkirk/foobar/blob/master/CONTRIBUTE.md> |
767
|
|
|
|
|
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768
|
|
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|
|
L<Issues|https://github.com/iamalnewkirk/foobar/issues> |
769
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770
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=cut |