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package Object::Array::Plugin::ListMoreUtils; |
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9360
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use strict; |
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use warnings; |
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our @UTILS; |
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BEGIN { |
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@UTILS = qw( |
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any |
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all |
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none |
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notall |
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true |
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false |
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firstidx first_index |
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lastidx last_index |
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insert_after |
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insert_after_string |
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apply |
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after |
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after_incl |
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before |
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before_incl |
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indexes |
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firstval first_value |
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lastval last_value |
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natatime |
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uniq |
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minmax |
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); |
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} |
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2933
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use List::MoreUtils (); |
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4931
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65
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use Sub::Install (); |
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use Sub::Exporter -setup => { |
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exports => [ @UTILS, 'contains' ], |
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}; |
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my %NEED_REF = ( |
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map { $_ => 1 } |
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qw( |
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insert_after |
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insert_after_string |
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), |
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); |
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=head1 NAME |
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Object::Array::Plugin::ListMoreUtils |
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=head1 DESCRIPTION |
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Add methods to Object::Array corresponding to functions from List::MoreUtils. |
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=head1 METHODS |
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See List::MoreUtils for details of these methods (functions). |
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=head2 any |
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=head2 all |
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=head2 none |
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=head2 notall |
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=head2 true |
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=head2 false |
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=head2 firstidx |
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=head2 first_index |
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=head2 lastidx |
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=head2 last_index |
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=head2 insert_after |
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=head2 insert_after_string |
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=head2 apply |
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=head2 after |
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=head2 after_incl |
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=head2 before |
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=head2 before_incl |
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=head2 indexes |
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=head2 firstval |
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=head2 first_value |
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=head2 lastval |
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=head2 last_value |
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=head2 natatime |
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=head2 uniq |
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=head2 minmax |
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=head1 NEW METHODS |
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=head2 contains |
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if ($arr->contains(1)) { ... } |
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Convenient wrapper around firstidx. Uses C<==> to compare |
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references and numbers, C for everything else. |
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=cut |
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120
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BEGIN { |
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3
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3
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for my $util (@UTILS) { |
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Sub::Install::install_sub({ |
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as => $util, |
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code => sub { |
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393
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my $self = shift; |
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3
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3
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4898
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no strict 'refs'; |
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319
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# use $self->ref explicitly because List::MoreUtils |
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# segfaults otherwise (at least under 5.6.1) -- |
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# probably unfriendliness with overloading |
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&{"List::MoreUtils::$util"}( |
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264
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@_, $NEED_REF{$util} ? $self->ref : $self->elements, |
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); |
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}, |
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}); |
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} |
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} |
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138
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sub _is_number { |
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11
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my $val = shift; |
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# XXX horrible, but catches cases like 5 <=> "5.00" |
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use warnings FATAL => qw(numeric); |
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6
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3
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974
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142
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eval { $val = 0 + $val }; |
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47
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143
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return $@ !~ /isn't numeric/; |
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} |
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146
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sub contains { |
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1
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my ($self, $value) = @_; |
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9
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my $code; |
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149
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6
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100
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100
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29
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if (not defined $value) { |
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100
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150
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1
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$code = sub { not defined $_ }; |
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5
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14
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151
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} elsif (ref($value) || _is_number($value)) { |
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3
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$code = sub { defined($_) && (ref($_) || _is_number($_)) && $_ == $value }; |
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8
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33
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47
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153
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} else { |
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2
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100
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100
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$code = sub { defined($_) && !ref($_) && $_ eq $value }; |
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68
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155
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} |
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156
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6
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19
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return $self->firstidx($code) != -1; |
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157
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} |
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159
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1; |