BatchedMatmulLAWS.rows_of: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/batched_matmul_LAWS.bend as BatchedMatmulLAWS
Lines 316-324 of bendtorch-core@0.1.0.0/src/tensor/batched_matmul_LAWS.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/batched_matmul_LAWS.bend&start_line=316&end_line=324

import Base

# The extent before the last: the rows of a matrix.
def rows_of(dims: List<&2, Nat>) -> Nat:
  match dims:
    case +x <> +y <> Nil{}:
      x
    case +x <> +y <> +z <> tail:
      rows_of(y <> z <> tail)
    case rest:
      0n

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat