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# Converts the range to a mask
Puppet::Functions.create_function(:'range_to_mask') do
dispatch :empty_param do
param 'Pattern[/^$/]', :range
end
dispatch :range_param do
param 'Pattern[/^[0-9\-\,]/]', :range
end
dispatch :undef_param do
param 'Undef', :range
end
def empty_param(range)
nil
end
def undef_param(range)
nil
end
def range_param (range)
range.to_s.split(",").map{|c| c.include?("-")?(c.split("-").map(&:to_i)[0]..c.split("-").map(&:to_i)[1]).to_a.join(","):c}.join(",").split(",").map{|c| 1<<c.to_i}.inject(0,:|).to_s(16)
end
end
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