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package Exception::Delayed; |
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# ABSTRACT: Execute code and throw exceptions later |
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40494
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use strict; |
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use warnings; |
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our $VERSION = '0.001'; # VERSION |
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sub wantscalar { |
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my ( $class, $code, @args ) = @_; |
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my $RV; |
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eval { $RV = scalar $code->(@args); }; |
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if ($@) { |
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return bless { error => $@ } => $class; |
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} |
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else { |
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return bless { result => \$RV } => $class; |
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} |
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} |
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sub wantlist { |
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my ( $class, $code, @args ) = @_; |
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my @RV; |
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eval { @RV = $code->(@args); }; |
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if ($@) { |
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return bless { error => $@ } => $class; |
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} |
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else { |
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return bless { result => \@RV } => $class; |
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} |
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} |
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sub result { |
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my ($self) = @_; |
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if ( exists $self->{error} ) { |
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die $self->{error}; |
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} |
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else { |
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my $result = delete $self->{result}; |
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2
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100
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if ( ref $result eq 'ARRAY' ) { |
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return @$result; |
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} |
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elsif ( ref $result eq 'SCALAR' ) { |
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return $$result; |
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} |
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else { |
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0
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return; |
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} |
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} |
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} |
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1; |
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__END__ |