puppetlabs-stdlib/empty.rb
Krzysztof Wilczynski de0e7adb66 First version. Simple empty function to use within Puppet DSL.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
2011-04-26 00:09:26 +01:00

25 lines
488 B
Ruby

#
# empty.rb
#
module Puppet::Parser::Functions
newfunction(:empty, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
raise(Puppet::ParseError, "empty(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
array = arguments[0]
if not array.is_a?(Array)
raise(Puppet::ParseError, 'empty(): Requires an array to work with')
end
result = array.empty?
return result
end
end
# vim: set ts=2 sw=2 et :