def subtracted_first
import bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend as TensorBackwardimport Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
239def subtracted_first(+b: Nat, +right: Shape.Shape, pair: Core.Dynamic & Result<&2, &1, Error, Contribution>) -> Pass:
240 (g, first) = pair
241 subtracted_second(first, b, right, negate(g))