def grad

bendtorch-core@0.1.0.0 · src/autograd/tensor_backward.bend:1037

import Base
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core

1037# A copy of the gradient slot of node id: None until a backward reaches it.
1038def grad(tape: Tape, +id: Nat) -> Tape & Result<&2, &1, Error, Maybe<&1, Core.Dynamic>>:
1039  Tape{entries} = tape
1040  graded_tape(grad_counted(id, counted(entries)))