S.WeightFun
type t
= Stm.t -> int
attribute a weight to a stream. The smaller, the better (lightweight streams will be favored). A weight must always be positive.
val penalty : t
Returns the penalty of the stream
val combine : (t * int) list -> t
Combine a list of pairs w, coeff where w is a weight function, and coeff a strictly positive number. This is a weighted sum of weights.
w, coeff
w
coeff