Elementwise.zero_left: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/elementwise.bend as Elementwise
Lines 287-294 of bendtorch-core@0.1.0.0/src/tensor/elementwise.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise.bend&start_line=287&end_line=294

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape

# Whether the left input's stride is 0 on every axis, as for a rank-0
# input, so that every position walks to slot 0.
def zero_left(rows: List<&2, Shape.Row>) -> Bool:
  match rows:
    case Shape.Row{stride, +left, right} <> rest:
      Bool.and(Nat.is_eq(left, 0n), zero_left(rest))
    case Nil{}:
      True{}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Row