Contents

require 'set'

module Stages
  class Unique < Stage
    def initialize(options = { })
      @prefetch = options[:prefetch]
      super()
    end

    def process
      set = Set.new
      while !source_empty?
        i = input
        added = set.add? i
        handle_value i if added && !@prefetch
      end
      set.each{ |x| handle_value x} if @prefetch
      set = nil
    end
  end
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
stages-1.2.1	lib/stages/unique.rb
stages-1.2.0	lib/stages/unique.rb
stages-1.1.5	lib/stages/unique.rb
stages-1.1.2	lib/stages/unique.rb
stages-1.1.1	lib/stages/unique.rb
stages-1.0.1	lib/stages/unique.rb
stages-1.0.0	lib/stages/unique.rb
stages-0.4.1	lib/stages/unique.rb
stages-0.4.0	lib/stages/unique.rb