type Fibers
import bendtorch-core@0.1.0.0/src/autograd/reduce.bend as Reduceimport Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
175# What every cell of a build needs: the index rows of the plan and the
176# contribution extent of each row.
177type Fibers is Data:
178 Fibers{rows: List<&2, Shape.Row>, extents: List<&2, Nat>}