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#
# empty.rb
#
# TODO(Krzysztof Wilczynski): Support for hashes would be nice too ...
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
value = arguments[0]
klass = value.class
if not [Array, Hash, String].include?(klass)
raise(Puppet::ParseError, 'empty(): Requires either an ' +
'array, hash or string to work with')
end
result = value.empty?
return result
end
end
# vim: set ts=2 sw=2 et :
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