Contents

module Frappuccino
  class Scan < Stream
    def initialize(source, zero, &blk)
      @last = zero
      @block = blk

      source.add_observer(self)
    end

    def update(value)
      @last = @block.call(@last, value)
      occur(@last)
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
frappuccino-0.3.0	lib/frappuccino/stream/scan.rb
frappuccino-0.2.0	lib/frappuccino/stream/scan.rb