def count_rows
import mlbend-split@0.1.1.0/main.bend as MlbendSplitimport Base
85# The number of rows a list of folds holds.
86def count_rows(fs: List<&2, Nat>) -> Nat:
87 match fs:
88 case Nil{}:
89 0n
90 case Con{h, t}:
91 (1n + count_rows(t) : Nat)