Spreadsheet::Engine::Function::NOT - Spreadsheet funtion NOT()

Spreadsheet-Engine documentation Contained in the Spreadsheet-Engine distribution.

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NAME

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Spreadsheet::Engine::Function::NOT - Spreadsheet funtion NOT()

SYNOPSIS

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  =NOT(value)

DESCRIPTION

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This returns TRUE if given a false value, and FALSE if given a true value.

HISTORY

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This is a Modified Version of code extracted from SocialCalc::Functions in SocialCalc 1.1.0

COPYRIGHT

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Portions (c) Copyright 2005, 2006, 2007 Software Garden, Inc. All Rights Reserved.

Portions (c) Copyright 2007 Socialtext, Inc. All Rights Reserved.

Portions (c) Copyright 2008 Tony Bowden

LICENCE

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The contents of this file are subject to the Artistic License 2.0; you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.perlfoundation.org/artistic_license_2_0

Spreadsheet-Engine documentation Contained in the Spreadsheet-Engine distribution. 
package Spreadsheet::Engine::Function::NOT;

use strict;
use warnings;

use base 'Spreadsheet::Engine::Fn::logical';

sub argument_count { 1 }

sub calculate {
  my $self = shift;
  my $val  = $self->next_operand;
  die $val if $val->is_error;
  return !$val->value;
}

1;

__END__