type CrKsRun
import bend-osdev-crypto@0.1.0.0/stream.bend as Streamimport Base
77# The loop that runs: tail-recursive, the output kept reversed, each
78# keystream byte computed once
79type CrKsRun<-S: Data> is Data:
80 CrKsRun{st: S, rev: List<&2, U32>}