1Validation::Class::MappUisnegr(3C)ontributed Perl DocumeVnatlaitdiaotnion::Class::Mapping(3)
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NAME

6       Validation::Class::Mapping - Generic Container Class for a Hash
7       Reference
8

VERSION

10       version 7.900057
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SYNOPSIS

13           use Validation::Class::Mapping;
14
15           my $foos = Validation::Class::Mapping->new;
16
17           $foos->add(foo => 'one foo');
18           $foos->add(bar => 'one bar');
19
20           print $foos->count; # 2 objects
21

DESCRIPTION

23       Validation::Class::Mapping is a container class that provides general-
24       purpose functionality for hashref objects.
25

METHODS

27   new
28           my $self = Validation::Class::Mapping->new;
29
30   add
31           $self = $self->add(foo => 1, bar => 2);
32
33   clear
34           $self = $self->clear;
35
36   count
37           my $count = $self->count;
38
39   delete
40           $value = $self->delete($name);
41
42   defined
43           $true if $self->defined($name) # defined
44
45   each
46           $self = $self->each(sub{
47
48               my ($key, $value) = @_;
49
50           });
51
52   exists
53           $true if $self->exists($name) # exists
54
55   get
56           my $value = $self->get($name); # i.e. $self->{$name}
57
58   grep
59           $new_list = $self->grep(qr/update_/);
60
61   has
62           $true if $self->has($name) # defined or exists
63
64   hash
65           my $hash = $self->hash;
66
67   iterator
68           my $next = $self->iterator();
69
70           # defaults to iterating by keys but accepts: sort, rsort, nsort, or rnsort
71           # e.g. $self->iterator('sort', sub{ (shift) cmp (shift) });
72
73           while (my $item = $next->()) {
74               # do something with $item (value)
75           }
76
77   keys
78           my @keys = $self->keys;
79
80   list
81           my %hash = $self->list;
82
83   merge
84           $self->merge($hashref);
85
86   nsort
87           my @keys = $self->nsort;
88
89   pairs
90           my @pairs = $self->pairs;
91           # or filter using $self->pairs('grep', $regexp);
92
93           foreach my $pair (@pairs) {
94               # $pair->{key} is $pair->{value};
95           }
96
97   rmerge
98           $self->rmerge($hashref);
99
100   rnsort
101           my @keys = $self->rnsort;
102
103   rsort
104           my @keys = $self->rsort;
105
106   sort
107           my @keys = $self->sort(sub{...});
108
109   values
110           my @values = $self->values;
111

AUTHOR

113       Al Newkirk <anewkirk@ana.io>
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116       This software is copyright (c) 2011 by Al Newkirk.
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118       This is free software; you can redistribute it and/or modify it under
119       the same terms as the Perl 5 programming language system itself.
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123perl v5.34.0                      2021-07-27     Validation::Class::Mapping(3)
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