Tensor.CatG: type of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/tensor.bend as Tensor
Lines 606-608 of bendtorch@1.3.0.0/tensor.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/tensor.bend&start_line=606&end_line=608

import Base

# the gradients of cat: dz's window of a, and dz's window of b (dz comes back); returned as TP<a, b> after dz
type CatG<-a: List<&2, Nat>, -b: List<&2, Nat>, -o: List<&2, Nat>> is Type:
  CatG{dz: Tensor<o>, ga: Tensor<a>, gb: Tensor<b>}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/tensor.bend&name=Tensor