code: def <<(seed)
        raise "You must add seeds inside a SeedFu::Writer#write block" unless @io
  
        buffer = ''
  
        if chunk_this_seed?
          buffer << seed_footer
          buffer << "# BREAK EVAL\n"
          buffer << seed_header
        end
  
        buffer << ",\n"
        buffer << '  ' + seed.inspect
  
        @io.write(buffer)
  
        @count += 1
      end
docs: Add a seed. Must be called within a block passed to {#write}.
   @param [Hash] seed The attributes for the seed