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stmt |
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cond |
sub |
pod |
time |
code |
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1
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package unless; |
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2
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$unless::VERSION = '0.06'; |
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3
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#ABSTRACT: use a Perl module unless a condition holds |
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4
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5
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sub work { |
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6
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4
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50
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4
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13
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my $method = shift() ? 'import' : 'unimport'; |
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7
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4
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50
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12
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die "Too few arguments to 'use unless' (some code returning an empty list in list context?)" |
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8
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unless @_ >= 2; |
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9
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4
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100
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71
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return if shift; # CONDITION |
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10
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11
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2
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4
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my $p = $_[0]; # PACKAGE |
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12
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2
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8
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(my $file = "$p.pm") =~ s!::!/!g; |
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13
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2
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17
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require $file; # Works even if $_[0] is a keyword (like open) |
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14
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2
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30
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my $m = $p->can($method); |
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15
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2
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50
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53
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goto &$m if $m; |
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16
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} |
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17
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18
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4
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4
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6373
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sub import { shift; unshift @_, 1; goto &work } |
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4
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10
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4
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12
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19
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0
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0
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sub unimport { shift; unshift @_, 0; goto &work } |
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0
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0
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20
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21
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q"There must be something wrong with human nature"; |
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22
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23
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__END__ |