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Puppet::Parser::Functions::newfunction(
:uniq_flatten,
:type => :rvalue,
:doc => "Flattens an array and make it uniq
Example: uniq_flatten([['a','b'],'a']) -> ['a','b']"
) do |args|
raise Puppet::ParseError, 'uniq_flatten() needs one arguments' if args.length != 1
args[0].to_a.flatten.collect(&:to_s).uniq
end
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