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package Set::Scalar::Real; |
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use strict; |
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local $^W = 1; |
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use vars qw($VERSION @ISA); |
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4597
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$VERSION = '1.29'; |
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@ISA = qw(Set::Scalar::Base); |
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use Set::Scalar::Base qw(_make_elements _binary_underload); |
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1796
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use overload |
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'+=' => \&_insert_overload, |
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'-=' => \&_delete_overload, |
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'/=' => \&_invert_overload; |
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sub insert { |
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934
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934
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0
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1336
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my $self = shift; |
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934
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2761
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$self->_insert( { _make_elements @_ } ); |
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934
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3364
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return $self; |
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} |
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sub _insert_overload { |
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my ($this, $that) = _binary_underload( \@_ ); |
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$that = (ref $this)->new($that) unless ref $that; |
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$this->insert( $that->elements ); |
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return $this; |
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} |
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sub _delete { |
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9154
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9154
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13998
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my $self = shift; |
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9154
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11087
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my $elements = shift; |
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9154
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23035
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delete @{ $self->{'elements'} }{ keys %$elements }; |
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9154
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27323
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9154
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40180
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$self->_invalidate_cached; |
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9154
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17320
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return $self; |
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} |
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sub delete { |
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9154
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9154
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0
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12520
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my $self = shift; |
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9154
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23502
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$self->_delete( { _make_elements @_ } ); |
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} |
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sub _delete_overload { |
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my ($this, $that) = _binary_underload( \@_ ); |
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2
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$this->delete( $that->elements ); |
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2
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return $this; |
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} |
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sub _invert { |
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my $self = shift; |
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my $elements = shift; |
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13
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foreach my $element ( keys %$elements ) { |
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100
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if ( exists $self->{'elements'}->{ $element } ) { |
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delete $self->{'elements'}->{ $element }; |
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} else { |
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$self->{'elements'}->{ $element } = $elements->{ $element }; |
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} |
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} |
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73
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137
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$self->_invalidate_cached; |
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} |
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76
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sub invert { |
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13
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0
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my $self = shift; |
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13
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41
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$self->_invert( { _make_elements @_ } ); |
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81
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13
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return $self; |
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} |
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sub _invert_overload { |
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3
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3
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my ($this, $that) = _binary_underload( \@_ ); |
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3
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10
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$this->invert( $that->elements ); |
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3
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return $this; |
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} |
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92
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sub clear { |
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6428
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6428
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0
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10249
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my $self = shift; |
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95
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6428
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100
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14836
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die __PACKAGE__ . "::clear(): need no arguments.\n" if @_; |
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97
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6427
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17665
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$self->delete( $self->elements ); |
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99
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6427
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41814
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return $self; |
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} |
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102
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sub fill { |
103
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2
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2
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0
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23
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my $self = shift; |
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105
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2
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100
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die __PACKAGE__ . "::fill(): need no arguments.\n" if @_; |
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107
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1
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4
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$self->insert( $self->universe->elements ); |
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109
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1
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2
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return $self; |
110
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} |
111
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112
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sub DESTROY { |
113
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6429
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26665
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my $self = shift; |
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115
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6429
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12858
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delete $self->{'null' }; |
116
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6429
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11086
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delete $self->{'universe'}; |
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118
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6429
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16072
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$self->clear; |
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} |
120
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121
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=pod |
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123
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=head1 NAME |
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125
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Set::Scalar::Real - internal class for Set::Scalar |
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=head1 SYNOPSIS |
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129
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B. |
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131
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=head1 DESCRIPTION |
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133
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B |
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If you want documentation see L. |
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136
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=head1 AUTHOR |
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138
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Jarkko Hietaniemi |
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140
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=cut |
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142
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1; |