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package Data::Check::Structure; |
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our $DATE = '2014-07-14'; # DATE |
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our $VERSION = '0.03'; # VERSION |
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use 5.010001; |
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use strict; |
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use warnings; |
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require Exporter; |
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our @ISA = qw(Exporter); |
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our @EXPORT_OK = qw( |
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is_aoa |
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is_aoaos |
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is_aoh |
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is_aohos |
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is_aos |
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is_hoa |
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is_hoaos |
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is_hoh |
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is_hohos |
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is_hos |
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); |
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sub is_aos { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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return 0 unless ref($data) eq 'ARRAY'; |
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for my $i (0..@$data-1) { |
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last if defined($max) && $i >= $max; |
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return 0 if ref($data->[$i]); |
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} |
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1; |
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} |
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sub is_aoa { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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return 0 unless ref($data) eq 'ARRAY'; |
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for my $i (0..@$data-1) { |
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last if defined($max) && $i >= $max; |
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return 0 unless ref($data->[$i]) eq 'ARRAY'; |
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} |
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1; |
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} |
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sub is_aoaos { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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return 0 unless ref($data) eq 'ARRAY'; |
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my $aos_opts = {max=>$max}; |
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for my $i (0..@$data-1) { |
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last if defined($max) && $i >= $max; |
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return 0 unless is_aos($data->[$i], $aos_opts); |
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} |
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1; |
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} |
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sub is_aoh { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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return 0 unless ref($data) eq 'ARRAY'; |
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for my $i (0..@$data-1) { |
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last if defined($max) && $i >= $max; |
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return 0 unless ref($data->[$i]) eq 'HASH'; |
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} |
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1; |
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} |
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sub is_aohos { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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return 0 unless ref($data) eq 'ARRAY'; |
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my $hos_opts = {max=>$max}; |
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for my $i (0..@$data-1) { |
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last if defined($max) && $i >= $max; |
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return 0 unless is_hos($data->[$i], $hos_opts); |
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} |
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1; |
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} |
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92
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sub is_hos { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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return 0 unless ref($data) eq 'HASH'; |
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my $i = 0; |
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for my $k (keys %$data) { |
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last if defined($max) && ++$i >= $max; |
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100
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return 0 if ref($data->{$k}); |
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} |
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1; |
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} |
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106
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sub is_hoa { |
107
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3
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3
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1161
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my ($data, $opts) = @_; |
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3
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16
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$opts //= {}; |
109
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3
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my $max = $opts->{max}; |
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111
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3
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10
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return 0 unless ref($data) eq 'HASH'; |
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3
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4
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my $i = 0; |
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3
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for my $k (keys %$data) { |
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33
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last if defined($max) && ++$i >= $max; |
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2
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100
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return 0 unless ref($data->{$k}) eq 'ARRAY'; |
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} |
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1; |
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} |
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120
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sub is_hoaos { |
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5
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1179
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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125
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5
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15
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return 0 unless ref($data) eq 'HASH'; |
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8
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my $i = 0; |
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17
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for my $k (keys %$data) { |
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last if defined($max) && ++$i >= $max; |
129
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4
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100
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11
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return 0 unless is_aos($data->{$k}); |
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} |
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1; |
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} |
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134
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sub is_hoh { |
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3
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3
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1257
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my ($data, $opts) = @_; |
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18
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$opts //= {}; |
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my $max = $opts->{max}; |
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139
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return 0 unless ref($data) eq 'HASH'; |
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6
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my $i = 0; |
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for my $k (keys %$data) { |
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last if defined($max) && ++$i >= $max; |
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return 0 unless ref($data->{$k}) eq 'HASH'; |
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} |
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1; |
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} |
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148
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sub is_hohos { |
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my ($data, $opts) = @_; |
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$opts //= {}; |
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my $max = $opts->{max}; |
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153
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return 0 unless ref($data) eq 'HASH'; |
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my $i = 0; |
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for my $k (keys %$data) { |
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last if defined($max) && ++$i >= $max; |
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100
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return 0 unless is_hos($data->{$k}); |
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} |
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1; |
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} |
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162
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1; |
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# ABSTRACT: Check structure of data |
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165
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__END__ |
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167
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=pod |
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169
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=encoding UTF-8 |
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171
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=head1 NAME |
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173
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Data::Check::Structure - Check structure of data |
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175
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=head1 VERSION |
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177
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This document describes version 0.03 of Data::Check::Structure (from Perl distribution Data-Check-Structure), released on 2014-07-14. |
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179
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=head1 SYNOPSIS |
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181
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=head1 DESCRIPTION |
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This small module provides several simple routines to check the structure of |
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data, e.g. whether data is an array of arrays ("aoa"), array of scalars ("aos"), |
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and so on. |
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187
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=head1 FUNCTIONS |
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189
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=head2 is_aos($data, \%opts) => bool |
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191
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Check that data is an array of scalars. Examples: |
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is_aos([]); # true |
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is_aos(['a', 'b']); # true |
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is_aos(['a', []]); # false |
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is_aos([1,2,3, []], {max=>3}); # true |
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
200
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201
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=head2 is_aoa($data, \%opts) => bool |
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203
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Check that data is an array of arrays. Examples: |
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205
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is_aoa([]); # true |
206
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is_aoa([[1], [2]]); # true |
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is_aoa([[1], 'a']); # false |
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is_aoa([[1],[],[], 'a'], {max=>3}); # true |
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210
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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213
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=head2 is_aoaos($data, \%opts) => bool |
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215
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Check that data is an array of arrays of scalars. Examples: |
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is_aoaos([]); # true |
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is_aoaos([[1], [2]]); # true |
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is_aoaos([[1], [{}]]); # false |
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is_aoaos([[1],[],[], [{}]], {max=>3}); # true |
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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=head2 is_aoh($data, \%opts) => bool |
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is_aoh([]); # true |
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is_aoh([{}, {a=>1}]); # true |
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is_aoh([{}, 'a']); # false |
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is_aoh([{},{},{a=>1}, 'a'], {max=>3}); # true |
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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=head2 is_aohos($data, \%opts) => bool |
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Check that data is an array of hashes of scalars. Examples: |
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is_aohos([]); # true |
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is_aohos([{a=>1}, {}]); # true |
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is_aohos([{a=>1}, {b=>[]}]); # false |
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is_aohos([{a=>1},{},{}, {b=>[]}], {max=>3}); # true |
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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=head2 is_hos($data, \%opts) => bool |
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Check that data is a hash of scalars. Examples: |
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is_hos({}); # true |
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is_hos({a=>1, b=>2}); # true |
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is_hos({a=>1, b=>[]}); # false |
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is_hos({a=>1, b=>2, c=>3, d=>[]}, {max=>3}); # true (or false, depending on random hash key ordering) |
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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=head2 is_hoa($data, \%opts) => bool |
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Check that data is a hash of arrays. Examples: |
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is_hoa({}) ); # true |
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is_hoa({a=>[]}) ); # true |
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is_hoa({a=>1}) ); # false |
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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=head2 is_hoaos($data, \%opts) => bool |
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Check that data is a hash of arrays of scalars. Examples: |
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is_hoaos({}) ); # true |
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is_hoaos({a=>[]}) ); # true |
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is_hoaos({a=>[1]}) ); # true |
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is_hoaos({a=>1}) ); # false |
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is_hoaos({a=>[{}]}) ); # false |
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282
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Known options: C<max> (maximum number of items to check, undef means check all |
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items). |
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285
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=head2 is_hoh($data, \%opts) => bool |
286
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287
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Check that data is a hash of hashes. Examples: |
288
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289
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is_hoh({}) ); # true |
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is_hoh({a=>{}}) ); # true |
291
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is_hoh({a=>1}) ); # false |
292
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293
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Known options: C<max> (maximum number of items to check, undef means check all |
294
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items). |
295
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296
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=head2 is_hohos($data, \%opts) => bool |
297
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298
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Check that data is a hash of hashes of scalrs. Examples: |
299
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300
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is_hohos({}) ); # true |
301
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is_hohos({a=>{}}) ); # true |
302
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is_hohos({a=>{b=>1}}) ); # true |
303
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is_hohos({a=>1}) ); # false |
304
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is_hohos({a=>{b=>[]}}) ); # false |
305
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306
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Known options: C<max> (maximum number of items to check, undef means check all |
307
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items). |
308
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309
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=head1 HOMEPAGE |
310
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311
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Please visit the project's homepage at L<https://metacpan.org/release/Data-Check-Structure>. |
312
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313
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=head1 SOURCE |
314
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315
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Source repository is at L<https://github.com/sharyanto/perl-Data-Check-Structure>. |
316
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317
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|
=head1 BUGS |
318
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319
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|
Please report any bugs or feature requests on the bugtracker website L<https://rt.cpan.org/Public/Dist/Display.html?Name=Data-Check-Structure> |
320
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321
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|
When submitting a bug or request, please include a test-file or a |
322
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|
|
patch to an existing test-file that illustrates the bug or desired |
323
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|
feature. |
324
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325
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|
|
=head1 AUTHOR |
326
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327
|
|
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|
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|
|
Steven Haryanto <stevenharyanto@gmail.com> |
328
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329
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|
=head1 COPYRIGHT AND LICENSE |
330
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331
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|
This software is copyright (c) 2014 by Steven Haryanto. |
332
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333
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This is free software; you can redistribute it and/or modify it under |
334
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|
the same terms as the Perl 5 programming language system itself. |
335
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336
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=cut |