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[mirror/dsa-puppet.git]
/
3rdparty
/
modules
/
inifile
/
lib
/
puppet
/
util
/
external_iterator.rb
1
module Puppet
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module Util
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class ExternalIterator
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def initialize(coll)
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@coll = coll
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@cur_index = -1
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end
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def next
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@cur_index = @cur_index + 1
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item_at(@cur_index)
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end
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def peek
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item_at(@cur_index + 1)
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end
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private
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def item_at(index)
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if @coll.length > index
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[@coll[index], index]
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else
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[nil, nil]
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end
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end
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end
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end
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end