SyncEnumerator creates an Enumerable object from multiple Enumerable objects and enumerates them synchronously

Example

  require 'generator'

  s = SyncEnumerator.new([1,2,3], ['a', 'b', 'c'])

  # Yields [1, 'a'], [2, 'b'], and [3,'c']
  s.each { |row| puts row.join(', ') }

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