TensorWindow.leading: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/tensor_window.bend as TensorWindow
Lines 26-29 of stelliferous@0.0.2.0/tensor_window.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/tensor_window.bend&start_line=26&end_line=29

import Base
import stelliferous@0.0.2.0/tensor_shape.bend as Shapes

def leading(ranked: Bool,+shape: List<&2,U32>) -> Maybe<&2,U32>:
  match ranked:
    case True{}: Shapes.product(List.take(&2,U32,shape,Nat.sub(List.length(&2,U32,shape),2n)),Some{1})
    case False{}: None{}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.take
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/tensor_shape.bend&name=product