in algebird-core/src/main/scala/com/twitter/algebird/MomentsGroup.scala [123:134]
override def hashCode: Int = scala.util.hashing.MurmurHash3.productHash(this)
override def equals(that: Any): Boolean =
that match {
case thatM: Moments =>
(m0D == thatM.m0D) &&
(m1 == thatM.m1) &&
(m2 == thatM.m2) &&
(m3 == thatM.m3) &&
(m4 == thatM.m4)
case _ => false
}