úÎ œ ë GA message droplet is a set of message indices and the combined symbol. 3A decoder holds the state of the decoding process. KAn infinite list of droplets, given a seed, the max degree, and a message.  Only the  method of   is used. .Creates a new decoder given a message length. Given a  and a new , returns either an updated  or the decoded message.  Only the  method of   is used. URuns a test of a Word8 message given a seed, message length, and droplet max degree. J Returns the number of droplets that were needed to decode the message.       fountain-0.0.0Codec.FountainDropletDecoderdropletsdecoderdecodetestbase Data.BitsxorBitsdecode'refineDroplets refineDroplet