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EDIT :: syncenumerator.rb

module REXML class SyncEnumerator include Enumerable # Creates a new SyncEnumerator which enumerates rows of given # Enumerable objects. def initialize(*enums) @gens = enums @biggest = @gens[0] @gens.each {|x| @biggest = x if x.size > @biggest.size } end # Returns the number of enumerated Enumerable objects, i.e. the size # of each row. def size @gens.size end # Returns the number of enumerated Enumerable objects, i.e. the size # of each row. def length @gens.length end # Enumerates rows of the Enumerable objects. def each @biggest.zip( *@gens ) {|a| yield(*a[1..-1]) } self end end end

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