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package underscore; |
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2
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48543
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use warnings; |
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2
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5
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2
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71
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3
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12
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use strict; |
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2
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71
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4
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2
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11
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use Carp (); |
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14
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2
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249
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5
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our $VERSION = sprintf "%d.%02d", q$Revision: 0.1 $ =~ /(\d+)/g; |
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7
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sub TIESCALAR{ |
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1
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1
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3
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my ($pkg, $code, $msg) = @_; |
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9
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1
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2031
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bless [$code, $msg], $pkg; |
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10
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} |
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11
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12
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sub unimport { |
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1
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1
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8
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my $pkg = shift; |
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1
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2
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my $action = shift; |
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2
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2
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10
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no strict 'refs'; |
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2
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4
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2
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408
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16
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0
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0
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my $code = |
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17
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ref $action ? $action |
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1
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50
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7
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: $action ? \&{ 'Carp::' . $action } |
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50
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19
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: \&Carp::croak; |
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1
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50
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9
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my $msg = shift || '$_ is forbidden'; |
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21
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1
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50
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4
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untie $_ if tied $_; |
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1
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5
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tie $_, __PACKAGE__, $code, $msg; |
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} |
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24
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25
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1
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1
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14
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sub import{ untie $_ } |
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26
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27
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4
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4
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3303
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sub FETCH{ $_[0]->[0]($_[0]->[1]) } |
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28
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2
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2
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926
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sub STORE{ $_[0]->[0]($_[0]->[1]) } |
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29
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30
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1; # End of underscore |
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__END__ |